x86/boot/e820: Rename 'e820_map' variables to 'e820_array'

In line with the rename to 'struct e820_array', harmonize the naming of common e820
table variable names as well:

 e820          =>  e820_array
 e820_saved    =>  e820_array_saved
 e820_map      =>  e820_array
 initial_e820  =>  e820_array_init

This makes the variable names more consistent  and easier to grep for.

No change in functionality.

Cc: Alex Thorlton <athorlton@sgi.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Huang, Ying <ying.huang@intel.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Jackson <pj@sgi.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

19 files changed, 158 insertions, 158 deletions

diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt
index 1746ddcfa50c..b323b705f419 100644
--- a/Documentation/x86/zero-page.txt
+++ b/Documentation/x86/zero-page.txt
@@ -27,12 +27,12 @@ Offset	Proto	Name		Meaning
 1C0/020	ALL	efi_info	EFI 32 information (struct efi_info)
 1E0/004	ALL	alk_mem_k	Alternative mem check, in KB
 1E4/004	ALL	scratch		Scratch field for the kernel setup code
-1E8/001	ALL	e820_entries	Number of entries in e820_map (below)
+1E8/001	ALL	e820_entries	Number of entries in e820_array (below)
 1E9/001	ALL	eddbuf_entries	Number of entries in eddbuf (below)
 1EA/001	ALL	edd_mbr_sig_buf_entries	Number of entries in edd_mbr_sig_buffer
 				(below)
 1EF/001	ALL	sentinel	Used to detect broken bootloaders
 290/040	ALL	edd_mbr_sig_buffer EDD MBR signatures
-2D0/A00	ALL	e820_map	E820 memory map table
+2D0/A00	ALL	e820_array	E820 memory map table
 				(array of struct e820_entry)
 D00/1EC	ALL	eddbuf		EDD data (array of struct edd_info)
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index e1a3e2cde5cb..b5cc1e72c63a 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -917,7 +917,7 @@ static void add_e820ext(struct boot_params *params,
 static efi_status_t setup_e820(struct boot_params *params,
 			       struct setup_data *e820ext, u32 e820ext_size)
 {
-	struct e820_entry *e820_map = &params->e820_map[0];
+	struct e820_entry *e820_array = &params->e820_array[0];
 	struct efi_info *efi = &params->efi_info;
 	struct e820_entry *prev = NULL;
 	u32 nr_entries;
@@ -982,7 +982,7 @@ static efi_status_t setup_e820(struct boot_params *params,
 			continue;
 		}
 
-		if (nr_entries == ARRAY_SIZE(params->e820_map)) {
+		if (nr_entries == ARRAY_SIZE(params->e820_array)) {
 			u32 need = (nr_desc - i) * sizeof(struct e820_entry) +
 				   sizeof(struct setup_data);
 
@@ -990,18 +990,18 @@ static efi_status_t setup_e820(struct boot_params *params,
 				return EFI_BUFFER_TOO_SMALL;
 
 			/* boot_params map full, switch to e820 extended */
-			e820_map = (struct e820_entry *)e820ext->data;
+			e820_array = (struct e820_entry *)e820ext->data;
 		}
 
-		e820_map->addr = d->phys_addr;
-		e820_map->size = d->num_pages << PAGE_SHIFT;
-		e820_map->type = e820_type;
-		prev = e820_map++;
+		e820_array->addr = d->phys_addr;
+		e820_array->size = d->num_pages << PAGE_SHIFT;
+		e820_array->type = e820_type;
+		prev = e820_array++;
 		nr_entries++;
 	}
 
-	if (nr_entries > ARRAY_SIZE(params->e820_map)) {
-		u32 nr_e820ext = nr_entries - ARRAY_SIZE(params->e820_map);
+	if (nr_entries > ARRAY_SIZE(params->e820_array)) {
+		u32 nr_e820ext = nr_entries - ARRAY_SIZE(params->e820_array);
 
 		add_e820ext(params, e820ext, nr_e820ext);
 		nr_entries -= nr_e820ext;
@@ -1055,9 +1055,9 @@ static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg,
 
 	if (first) {
 		nr_desc = *map->buff_size / *map->desc_size;
-		if (nr_desc > ARRAY_SIZE(p->boot_params->e820_map)) {
+		if (nr_desc > ARRAY_SIZE(p->boot_params->e820_array)) {
 			u32 nr_e820ext = nr_desc -
-					ARRAY_SIZE(p->boot_params->e820_map);
+					ARRAY_SIZE(p->boot_params->e820_array);
 
 			status = alloc_e820ext(nr_e820ext, &p->e820ext,
 					       &p->e820ext_size);
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index 17da12e92e99..f0e37236cfe1 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -518,7 +518,7 @@ static unsigned long find_random_phys_addr(unsigned long minimum,
 
 	/* Verify potential e820 positions, appending to slots list. */
 	for (i = 0; i < boot_params->e820_entries; i++) {
-		process_e820_entry(&boot_params->e820_map[i], minimum,
+		process_e820_entry(&boot_params->e820_array[i], minimum,
 				   image_size);
 		if (slot_area_index == MAX_SLOT_AREA) {
 			debug_putstr("Aborted e820 scan (slot_areas full)!\n");
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 331b3d831cc4..f2132b3e6880 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -21,7 +21,7 @@ static int detect_memory_e820(void)
 {
 	int count = 0;
 	struct biosregs ireg, oreg;
-	struct e820_entry *desc = boot_params.e820_map;
+	struct e820_entry *desc = boot_params.e820_array;
 	static struct e820_entry buf; /* static so it is zeroed */
 
 	initregs(&ireg);
@@ -66,7 +66,7 @@ static int detect_memory_e820(void)
 
 		*desc++ = buf;
 		count++;
-	} while (ireg.ebx && count < ARRAY_SIZE(boot_params.e820_map));
+	} while (ireg.ebx && count < ARRAY_SIZE(boot_params.e820_array));
 
 	return boot_params.e820_entries = count;
 }
diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h
index 4895544b17ab..0156532dd65a 100644
--- a/arch/x86/include/asm/e820/api.h
+++ b/arch/x86/include/asm/e820/api.h
@@ -4,8 +4,8 @@
 #include <asm/e820/types.h>
 
 /* see comment in arch/x86/kernel/e820.c */
-extern struct e820_array *e820;
-extern struct e820_array *e820_saved;
+extern struct e820_array *e820_array;
+extern struct e820_array *e820_array_saved;
 
 extern unsigned long pci_mem_start;
 
@@ -13,7 +13,7 @@ extern int  e820_any_mapped(u64 start, u64 end, unsigned type);
 extern int  e820_all_mapped(u64 start, u64 end, unsigned type);
 extern void e820_add_region(u64 start, u64 size, int type);
 extern void e820_print_map(char *who);
-extern int  sanitize_e820_map(struct e820_entry *biosmap, int max_nr_map, u32 *pnr_map);
+extern int  sanitize_e820_array(struct e820_entry *biosmap, int max_nr_map, u32 *pnr_map);
 extern u64  e820_update_range(u64 start, u64 size, unsigned old_type, unsigned new_type);
 extern u64  e820_remove_range(u64 start, u64 size, unsigned old_type, int checktype);
 extern void update_e820(void);
diff --git a/arch/x86/include/asm/e820/types.h b/arch/x86/include/asm/e820/types.h
index 05e25cabfafb..e3171867e126 100644
--- a/arch/x86/include/asm/e820/types.h
+++ b/arch/x86/include/asm/e820/types.h
@@ -21,7 +21,7 @@
  *
  * This allows for bootstrap/firmware quirks such as possible duplicate
  * E820 entries that might need room in the same arrays, prior to the
- * call to sanitize_e820_map() to remove duplicates.  The allowance
+ * call to sanitize_e820_array() to remove duplicates.  The allowance
  * of three memory map entries per node is "enough" entries for
  * the initial hardware platform motivating this mechanism to make
  * use of additional EFI map entries.  Future platforms may want
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index f0a7170d5a9d..702f1c6d804e 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -152,7 +152,7 @@ struct boot_params {
 	struct setup_header hdr;    /* setup header */	/* 0x1f1 */
 	__u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
 	__u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];	/* 0x290 */
-	struct e820_entry e820_map[E820MAX];		/* 0x2d0 */
+	struct e820_entry e820_array[E820MAX];		/* 0x2d0 */
 	__u8  _pad8[48];				/* 0xcd0 */
 	struct edd_info eddbuf[EDDMAXNR];		/* 0xd00 */
 	__u8  _pad9[276];				/* 0xeec */
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index 81b67df3b52f..036d9140384d 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -512,7 +512,7 @@ static int add_e820_entry(struct boot_params *params, struct e820_entry *entry)
 	if (nr_e820_entries >= E820MAX)
 		return 1;
 
-	memcpy(&params->e820_map[nr_e820_entries], entry,
+	memcpy(&params->e820_array[nr_e820_entries], entry,
 			sizeof(struct e820_entry));
 	params->e820_entries++;
 	return 0;
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 1f75b95185b8..49d47d6b1afe 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -2,7 +2,7 @@
  * Handle the memory map.
  * The functions here do the job until bootmem takes over.
  *
- *  Getting sanitize_e820_map() in sync with i386 version by applying change:
+ *  Getting sanitize_e820_array() in sync with i386 version by applying change:
  *  -  Provisions for empty E820 memory regions (reported by certain BIOSes).
  *     Alex Achenbach <xela@slit.de>, December 2002.
  *  Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
@@ -27,11 +27,11 @@
 #include <asm/cpufeature.h>
 
 /*
- * The e820 map is the map that gets modified e.g. with command line parameters
+ * The e820 table is the array that gets modified e.g. with command line parameters
  * and that is also registered with modifications in the kernel resource tree
  * with the iomem_resource as parent.
  *
- * The e820_saved is directly saved after the BIOS-provided memory map is
+ * The e820_array_saved is directly saved after the BIOS-provided memory map is
  * copied. It doesn't get modified afterwards. It's registered for the
  * /sys/firmware/memmap interface.
  *
@@ -40,10 +40,10 @@
  * user can e.g. boot the original kernel with mem=1G while still booting the
  * next kernel with full memory.
  */
-static struct e820_array initial_e820  __initdata;
-static struct e820_array initial_e820_saved  __initdata;
-struct e820_array *e820 __refdata = &initial_e820;
-struct e820_array *e820_saved __refdata = &initial_e820_saved;
+static struct e820_array e820_array_init  __initdata;
+static struct e820_array initial_e820_array_saved  __initdata;
+struct e820_array *e820_array __refdata = &e820_array_init;
+struct e820_array *e820_array_saved __refdata = &initial_e820_array_saved;
 
 /* For PCI or other memory-mapped resources */
 unsigned long pci_mem_start = 0xaeedbabe;
@@ -60,8 +60,8 @@ e820_any_mapped(u64 start, u64 end, unsigned type)
 {
 	int i;
 
-	for (i = 0; i < e820->nr_map; i++) {
-		struct e820_entry *ei = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		struct e820_entry *ei = &e820_array->map[i];
 
 		if (type && ei->type != type)
 			continue;
@@ -83,8 +83,8 @@ int __init e820_all_mapped(u64 start, u64 end, unsigned type)
 {
 	int i;
 
-	for (i = 0; i < e820->nr_map; i++) {
-		struct e820_entry *ei = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		struct e820_entry *ei = &e820_array->map[i];
 
 		if (type && ei->type != type)
 			continue;
@@ -130,7 +130,7 @@ static void __init __e820_add_region(struct e820_array *e820x, u64 start, u64 si
 
 void __init e820_add_region(u64 start, u64 size, int type)
 {
-	__e820_add_region(e820, start, size, type);
+	__e820_add_region(e820_array, start, size, type);
 }
 
 static void __init e820_print_type(u32 type)
@@ -166,12 +166,12 @@ void __init e820_print_map(char *who)
 {
 	int i;
 
-	for (i = 0; i < e820->nr_map; i++) {
+	for (i = 0; i < e820_array->nr_map; i++) {
 		printk(KERN_INFO "%s: [mem %#018Lx-%#018Lx] ", who,
-		       (unsigned long long) e820->map[i].addr,
+		       (unsigned long long) e820_array->map[i].addr,
 		       (unsigned long long)
-		       (e820->map[i].addr + e820->map[i].size - 1));
-		e820_print_type(e820->map[i].type);
+		       (e820_array->map[i].addr + e820_array->map[i].size - 1));
+		e820_print_type(e820_array->map[i].type);
 		printk(KERN_CONT "\n");
 	}
 }
@@ -195,7 +195,7 @@ void __init e820_print_map(char *who)
  * sanitizing succeeds the *pnr_map will be updated with the new
  * number of valid entries (something no more than max_nr_map).
  *
- * The return value from sanitize_e820_map() is zero if it
+ * The return value from sanitize_e820_array() is zero if it
  * successfully 'sanitized' the map entries passed in, and is -1
  * if it did nothing, which can happen if either of (1) it was
  * only passed one map entry, or (2) any of the input map entries
@@ -259,7 +259,7 @@ static int __init cpcompare(const void *a, const void *b)
 	return (ap->addr != ap->pbios->addr) - (bp->addr != bp->pbios->addr);
 }
 
-int __init sanitize_e820_map(struct e820_entry *biosmap, int max_nr_map,
+int __init sanitize_e820_array(struct e820_entry *biosmap, int max_nr_map,
 			     u32 *pnr_map)
 {
 	static struct change_member change_point_list[2*E820_X_MAX] __initdata;
@@ -385,7 +385,7 @@ int __init sanitize_e820_map(struct e820_entry *biosmap, int max_nr_map,
 	return 0;
 }
 
-static int __init __append_e820_map(struct e820_entry *biosmap, int nr_map)
+static int __init __append_e820_array(struct e820_entry *biosmap, int nr_map)
 {
 	while (nr_map) {
 		u64 start = biosmap->addr;
@@ -414,13 +414,13 @@ static int __init __append_e820_map(struct e820_entry *biosmap, int nr_map)
  * will have given us a memory map that we can use to properly
  * set up memory.  If we aren't, we'll fake a memory map.
  */
-static int __init append_e820_map(struct e820_entry *biosmap, int nr_map)
+static int __init append_e820_array(struct e820_entry *biosmap, int nr_map)
 {
 	/* Only one memory region (or negative)? Ignore it */
 	if (nr_map < 2)
 		return -1;
 
-	return __append_e820_map(biosmap, nr_map);
+	return __append_e820_array(biosmap, nr_map);
 }
 
 static u64 __init __e820_update_range(struct e820_array *e820x, u64 start,
@@ -495,13 +495,13 @@ static u64 __init __e820_update_range(struct e820_array *e820x, u64 start,
 u64 __init e820_update_range(u64 start, u64 size, unsigned old_type,
 			     unsigned new_type)
 {
-	return __e820_update_range(e820, start, size, old_type, new_type);
+	return __e820_update_range(e820_array, start, size, old_type, new_type);
 }
 
 static u64 __init e820_update_range_saved(u64 start, u64 size,
 					  unsigned old_type, unsigned new_type)
 {
-	return __e820_update_range(e820_saved, start, size, old_type,
+	return __e820_update_range(e820_array_saved, start, size, old_type,
 				     new_type);
 }
 
@@ -523,8 +523,8 @@ u64 __init e820_remove_range(u64 start, u64 size, unsigned old_type,
 		e820_print_type(old_type);
 	printk(KERN_CONT "\n");
 
-	for (i = 0; i < e820->nr_map; i++) {
-		struct e820_entry *ei = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		struct e820_entry *ei = &e820_array->map[i];
 		u64 final_start, final_end;
 		u64 ei_end;
 
@@ -568,15 +568,15 @@ u64 __init e820_remove_range(u64 start, u64 size, unsigned old_type,
 
 void __init update_e820(void)
 {
-	if (sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map))
+	if (sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map), &e820_array->nr_map))
 		return;
 	printk(KERN_INFO "e820: modified physical RAM map:\n");
 	e820_print_map("modified");
 }
-static void __init update_e820_saved(void)
+static void __init update_e820_array_saved(void)
 {
-	sanitize_e820_map(e820_saved->map, ARRAY_SIZE(e820_saved->map),
-				&e820_saved->nr_map);
+	sanitize_e820_array(e820_array_saved->map, ARRAY_SIZE(e820_array_saved->map),
+				&e820_array_saved->nr_map);
 }
 #define MAX_GAP_END 0x100000000ull
 /*
@@ -586,12 +586,12 @@ static int __init e820_search_gap(unsigned long *gapstart,
 		unsigned long *gapsize)
 {
 	unsigned long long last = MAX_GAP_END;
-	int i = e820->nr_map;
+	int i = e820_array->nr_map;
 	int found = 0;
 
 	while (--i >= 0) {
-		unsigned long long start = e820->map[i].addr;
-		unsigned long long end = start + e820->map[i].size;
+		unsigned long long start = e820_array->map[i].addr;
+		unsigned long long end = start + e820_array->map[i].size;
 
 		/*
 		 * Since "last" is at most 4GB, we know we'll
@@ -650,7 +650,7 @@ __init void e820_setup_gap(void)
 /*
  * Called late during init, in free_initmem().
  *
- * Initial e820 and e820_saved are largish __initdata arrays.
+ * Initial e820 and e820_array_saved are largish __initdata arrays.
  * Copy them to (usually much smaller) dynamically allocated area.
  * This is done after all tweaks we ever do to them:
  * all functions which modify them are __init functions,
@@ -661,23 +661,23 @@ __init void e820_reallocate_tables(void)
 	struct e820_array *n;
 	int size;
 
-	size = offsetof(struct e820_array, map) + sizeof(struct e820_entry) * e820->nr_map;
+	size = offsetof(struct e820_array, map) + sizeof(struct e820_entry) * e820_array->nr_map;
 	n = kmalloc(size, GFP_KERNEL);
 	BUG_ON(!n);
-	memcpy(n, e820, size);
-	e820 = n;
+	memcpy(n, e820_array, size);
+	e820_array = n;
 
-	size = offsetof(struct e820_array, map) + sizeof(struct e820_entry) * e820_saved->nr_map;
+	size = offsetof(struct e820_array, map) + sizeof(struct e820_entry) * e820_array_saved->nr_map;
 	n = kmalloc(size, GFP_KERNEL);
 	BUG_ON(!n);
-	memcpy(n, e820_saved, size);
-	e820_saved = n;
+	memcpy(n, e820_array_saved, size);
+	e820_array_saved = n;
 }
 
 /**
  * Because of the size limitation of struct boot_params, only first
  * 128 E820 memory entries are passed to kernel via
- * boot_params.e820_map, others are passed via SETUP_E820_EXT node of
+ * boot_params.e820_array, others are passed via SETUP_E820_EXT node of
  * linked list of struct setup_data, which is parsed here.
  */
 void __init parse_e820_ext(u64 phys_addr, u32 data_len)
@@ -689,8 +689,8 @@ void __init parse_e820_ext(u64 phys_addr, u32 data_len)
 	sdata = early_memremap(phys_addr, data_len);
 	entries = sdata->len / sizeof(struct e820_entry);
 	extmap = (struct e820_entry *)(sdata->data);
-	__append_e820_map(extmap, entries);
-	sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
+	__append_e820_array(extmap, entries);
+	sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map), &e820_array->nr_map);
 	early_memunmap(sdata, data_len);
 	printk(KERN_INFO "e820: extended physical RAM map:\n");
 	e820_print_map("extended");
@@ -709,8 +709,8 @@ void __init e820_mark_nosave_regions(unsigned long limit_pfn)
 	int i;
 	unsigned long pfn = 0;
 
-	for (i = 0; i < e820->nr_map; i++) {
-		struct e820_entry *ei = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		struct e820_entry *ei = &e820_array->map[i];
 
 		if (pfn < PFN_UP(ei->addr))
 			register_nosave_region(pfn, PFN_UP(ei->addr));
@@ -734,8 +734,8 @@ static int __init e820_mark_nvs_memory(void)
 {
 	int i;
 
-	for (i = 0; i < e820->nr_map; i++) {
-		struct e820_entry *ei = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		struct e820_entry *ei = &e820_array->map[i];
 
 		if (ei->type == E820_NVS)
 			acpi_nvs_register(ei->addr, ei->size);
@@ -747,7 +747,7 @@ core_initcall(e820_mark_nvs_memory);
 #endif
 
 /*
- * pre allocated 4k and reserved it in memblock and e820_saved
+ * pre allocated 4k and reserved it in memblock and e820_array_saved
  */
 u64 __init early_reserve_e820(u64 size, u64 align)
 {
@@ -756,8 +756,8 @@ u64 __init early_reserve_e820(u64 size, u64 align)
 	addr = __memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ACCESSIBLE);
 	if (addr) {
 		e820_update_range_saved(addr, size, E820_RAM, E820_RESERVED);
-		printk(KERN_INFO "e820: update e820_saved for early_reserve_e820\n");
-		update_e820_saved();
+		printk(KERN_INFO "e820: update e820_array_saved for early_reserve_e820\n");
+		update_e820_array_saved();
 	}
 
 	return addr;
@@ -782,8 +782,8 @@ static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
 	unsigned long last_pfn = 0;
 	unsigned long max_arch_pfn = MAX_ARCH_PFN;
 
-	for (i = 0; i < e820->nr_map; i++) {
-		struct e820_entry *ei = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		struct e820_entry *ei = &e820_array->map[i];
 		unsigned long start_pfn;
 		unsigned long end_pfn;
 
@@ -874,7 +874,7 @@ static int __init parse_memmap_one(char *p)
 		 */
 		saved_max_pfn = e820_end_of_ram_pfn();
 #endif
-		e820->nr_map = 0;
+		e820_array->nr_map = 0;
 		userdef = 1;
 		return 0;
 	}
@@ -921,8 +921,8 @@ early_param("memmap", parse_memmap_opt);
 void __init finish_e820_parsing(void)
 {
 	if (userdef) {
-		if (sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map),
-					&e820->nr_map) < 0)
+		if (sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map),
+					&e820_array->nr_map) < 0)
 			early_panic("Invalid user supplied memory map");
 
 		printk(KERN_INFO "e820: user-defined physical RAM map:\n");
@@ -1009,35 +1009,35 @@ void __init e820_reserve_resources(void)
 	struct resource *res;
 	u64 end;
 
-	res = alloc_bootmem(sizeof(struct resource) * e820->nr_map);
+	res = alloc_bootmem(sizeof(struct resource) * e820_array->nr_map);
 	e820_res = res;
-	for (i = 0; i < e820->nr_map; i++) {
-		end = e820->map[i].addr + e820->map[i].size - 1;
+	for (i = 0; i < e820_array->nr_map; i++) {
+		end = e820_array->map[i].addr + e820_array->map[i].size - 1;
 		if (end != (resource_size_t)end) {
 			res++;
 			continue;
 		}
-		res->name = e820_type_to_string(e820->map[i].type);
-		res->start = e820->map[i].addr;
+		res->name = e820_type_to_string(e820_array->map[i].type);
+		res->start = e820_array->map[i].addr;
 		res->end = end;
 
-		res->flags = e820_type_to_iomem_type(e820->map[i].type);
-		res->desc = e820_type_to_iores_desc(e820->map[i].type);
+		res->flags = e820_type_to_iomem_type(e820_array->map[i].type);
+		res->desc = e820_type_to_iores_desc(e820_array->map[i].type);
 
 		/*
 		 * don't register the region that could be conflicted with
 		 * pci device BAR resource and insert them later in
 		 * pcibios_resource_survey()
 		 */
-		if (do_mark_busy(e820->map[i].type, res)) {
+		if (do_mark_busy(e820_array->map[i].type, res)) {
 			res->flags |= IORESOURCE_BUSY;
 			insert_resource(&iomem_resource, res);
 		}
 		res++;
 	}
 
-	for (i = 0; i < e820_saved->nr_map; i++) {
-		struct e820_entry *entry = &e820_saved->map[i];
+	for (i = 0; i < e820_array_saved->nr_map; i++) {
+		struct e820_entry *entry = &e820_array_saved->map[i];
 		firmware_map_add_early(entry->addr,
 			entry->addr + entry->size,
 			e820_type_to_string(entry->type));
@@ -1069,7 +1069,7 @@ void __init e820_reserve_resources_late(void)
 	struct resource *res;
 
 	res = e820_res;
-	for (i = 0; i < e820->nr_map; i++) {
+	for (i = 0; i < e820_array->nr_map; i++) {
 		if (!res->parent && res->end)
 			insert_resource_expand_to_fit(&iomem_resource, res);
 		res++;
@@ -1079,8 +1079,8 @@ void __init e820_reserve_resources_late(void)
 	 * Try to bump up RAM regions to reasonable boundaries to
 	 * avoid stolen RAM:
 	 */
-	for (i = 0; i < e820->nr_map; i++) {
-		struct e820_entry *entry = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		struct e820_entry *entry = &e820_array->map[i];
 		u64 start, end;
 
 		if (entry->type != E820_RAM)
@@ -1110,11 +1110,11 @@ char *__init default_machine_specific_memory_setup(void)
 	 * the next section from 1mb->appropriate_mem_k
 	 */
 	new_nr = boot_params.e820_entries;
-	sanitize_e820_map(boot_params.e820_map,
-			ARRAY_SIZE(boot_params.e820_map),
+	sanitize_e820_array(boot_params.e820_array,
+			ARRAY_SIZE(boot_params.e820_array),
 			&new_nr);
 	boot_params.e820_entries = new_nr;
-	if (append_e820_map(boot_params.e820_map, boot_params.e820_entries)
+	if (append_e820_array(boot_params.e820_array, boot_params.e820_entries)
 	  < 0) {
 		u64 mem_size;
 
@@ -1128,7 +1128,7 @@ char *__init default_machine_specific_memory_setup(void)
 			who = "BIOS-e801";
 		}
 
-		e820->nr_map = 0;
+		e820_array->nr_map = 0;
 		e820_add_region(0, LOWMEMSIZE(), E820_RAM);
 		e820_add_region(HIGH_MEMORY, mem_size << 10, E820_RAM);
 	}
@@ -1142,7 +1142,7 @@ void __init setup_memory_map(void)
 	char *who;
 
 	who = x86_init.resources.memory_setup();
-	memcpy(e820_saved, e820, sizeof(struct e820_array));
+	memcpy(e820_array_saved, e820_array, sizeof(struct e820_array));
 	printk(KERN_INFO "e820: BIOS-provided physical RAM map:\n");
 	e820_print_map(who);
 }
@@ -1159,8 +1159,8 @@ void __init memblock_x86_fill(void)
 	 */
 	memblock_allow_resize();
 
-	for (i = 0; i < e820->nr_map; i++) {
-		struct e820_entry *ei = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		struct e820_entry *ei = &e820_array->map[i];
 
 		end = ei->addr + ei->size;
 		if (end != (resource_size_t)end)
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 6a08e25a48d8..31d755534c36 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -547,7 +547,7 @@ intel_graphics_stolen(int num, int slot, int func,
 
 	/* Mark this space as reserved */
 	e820_add_region(base, size, E820_RESERVED);
-	sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
+	sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map), &e820_array->nr_map);
 }
 
 static void __init intel_graphics_quirks(int num, int slot, int func)
diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c
index d70e8d65cc16..6bedcb9bad1e 100644
--- a/arch/x86/kernel/kexec-bzimage64.c
+++ b/arch/x86/kernel/kexec-bzimage64.c
@@ -100,14 +100,14 @@ static int setup_e820_entries(struct boot_params *params)
 {
 	unsigned int nr_e820_entries;
 
-	nr_e820_entries = e820_saved->nr_map;
+	nr_e820_entries = e820_array_saved->nr_map;
 
 	/* TODO: Pass entries more than E820MAX in bootparams setup data */
 	if (nr_e820_entries > E820MAX)
 		nr_e820_entries = E820MAX;
 
 	params->e820_entries = nr_e820_entries;
-	memcpy(&params->e820_map, &e820_saved->map,
+	memcpy(&params->e820_array, &e820_array_saved->map,
 	       nr_e820_entries * sizeof(struct e820_entry));
 
 	return 0;
@@ -233,10 +233,10 @@ setup_boot_parameters(struct kimage *image, struct boot_params *params,
 	nr_e820_entries = params->e820_entries;
 
 	for (i = 0; i < nr_e820_entries; i++) {
-		if (params->e820_map[i].type != E820_RAM)
+		if (params->e820_array[i].type != E820_RAM)
 			continue;
-		start = params->e820_map[i].addr;
-		end = params->e820_map[i].addr + params->e820_map[i].size - 1;
+		start = params->e820_array[i].addr;
+		end = params->e820_array[i].addr + params->e820_array[i].size - 1;
 
 		if ((start <= 0x100000) && end > 0x100000) {
 			mem_k = (end >> 10) - (0x100000 >> 10);
diff --git a/arch/x86/kernel/resource.c b/arch/x86/kernel/resource.c
index 06a6e8049070..aeec503e0a6d 100644
--- a/arch/x86/kernel/resource.c
+++ b/arch/x86/kernel/resource.c
@@ -27,8 +27,8 @@ static void remove_e820_regions(struct resource *avail)
 	int i;
 	struct e820_entry *entry;
 
-	for (i = 0; i < e820->nr_map; i++) {
-		entry = &e820->map[i];
+	for (i = 0; i < e820_array->nr_map; i++) {
+		entry = &e820_array->map[i];
 
 		resource_clip(avail, entry->addr,
 			      entry->addr + entry->size - 1);
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d2bdda9c3d6f..a91db2edee9e 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -458,8 +458,8 @@ static void __init e820_reserve_setup_data(void)
 		early_memunmap(data, sizeof(*data));
 	}
 
-	sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
-	memcpy(e820_saved, e820, sizeof(struct e820_array));
+	sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map), &e820_array->nr_map);
+	memcpy(e820_array_saved, e820_array, sizeof(struct e820_array));
 	printk(KERN_INFO "extended physical RAM map:\n");
 	e820_print_map("reserve setup_data");
 }
@@ -763,7 +763,7 @@ static void __init trim_bios_range(void)
 	 */
 	e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
 
-	sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
+	sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map), &e820_array->nr_map);
 }
 
 /* called before trim_bios_range() to spare extra sanitize */
@@ -1026,7 +1026,7 @@ void __init setup_arch(char **cmdline_p)
 		early_dump_pci_devices();
 #endif
 
-	/* update the e820_saved too */
+	/* update the e820_array_saved too */
 	e820_reserve_setup_data();
 	finish_e820_parsing();
 
@@ -1056,7 +1056,7 @@ void __init setup_arch(char **cmdline_p)
 	if (ppro_with_ram_bug()) {
 		e820_update_range(0x70000000ULL, 0x40000ULL, E820_RAM,
 				  E820_RESERVED);
-		sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
+		sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map), &e820_array->nr_map);
 		printk(KERN_INFO "fixed physical RAM map:\n");
 		e820_print_map("bad_ppro");
 	}
diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
index d047da50f2de..705f1207181a 100644
--- a/arch/x86/kernel/tboot.c
+++ b/arch/x86/kernel/tboot.c
@@ -188,12 +188,12 @@ static int tboot_setup_sleep(void)
 
 	tboot->num_mac_regions = 0;
 
-	for (i = 0; i < e820->nr_map; i++) {
-		if ((e820->map[i].type != E820_RAM)
-		 && (e820->map[i].type != E820_RESERVED_KERN))
+	for (i = 0; i < e820_array->nr_map; i++) {
+		if ((e820_array->map[i].type != E820_RAM)
+		 && (e820_array->map[i].type != E820_RESERVED_KERN))
 			continue;
 
-		add_mac_region(e820->map[i].addr, e820->map[i].size);
+		add_mac_region(e820_array->map[i].addr, e820_array->map[i].size);
 	}
 
 	tboot->acpi_sinfo.kernel_s3_resume_vector =
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 638d997327c9..09226a33e418 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1178,9 +1178,9 @@ static __init char *lguest_memory_setup(void)
 	 * The Linux bootloader header contains an "e820" memory map: the
 	 * Launcher populated the first entry with our memory limit.
 	 */
-	e820_add_region(boot_params.e820_map[0].addr,
-			  boot_params.e820_map[0].size,
-			  boot_params.e820_map[0].type);
+	e820_add_region(boot_params.e820_array[0].addr,
+			  boot_params.e820_array[0].size,
+			  boot_params.e820_array[0].type);
 
 	/* This string is for the boot messages. */
 	return "LGUEST";
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 528f682ec640..2543a11c9df8 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -167,7 +167,7 @@ static void __init do_add_efi_memmap(void)
 		}
 		e820_add_region(start, size, e820_type);
 	}
-	sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
+	sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map), &e820_array->nr_map);
 }
 
 int __init efi_memblock_x86_reserve_range(void)
diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c
index 874aea614fcf..c1a245e64ed1 100644
--- a/arch/x86/power/hibernate_64.c
+++ b/arch/x86/power/hibernate_64.c
@@ -232,7 +232,7 @@ static int get_e820_md5(struct e820_array *map, void *buf)
 
 static void hibernation_e820_save(void *buf)
 {
-	get_e820_md5(e820_saved, buf);
+	get_e820_md5(e820_array_saved, buf);
 }
 
 static bool hibernation_e820_mismatch(void *buf)
@@ -245,7 +245,7 @@ static bool hibernation_e820_mismatch(void *buf)
 	if (!memcmp(result, buf, MD5_DIGEST_SIZE))
 		return false;
 
-	ret = get_e820_md5(e820_saved, result);
+	ret = get_e820_md5(e820_array_saved, result);
 	if (ret)
 		return true;
 
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 7386a6e4c072..3cc90e902064 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -41,8 +41,8 @@ struct xen_memory_region xen_extra_mem[XEN_EXTRA_MEM_MAX_REGIONS] __initdata;
 unsigned long xen_released_pages;
 
 /* E820 map used during setting up memory. */
-static struct e820_entry xen_e820_map[E820_X_MAX] __initdata;
-static u32 xen_e820_map_entries __initdata;
+static struct e820_entry xen_e820_array[E820_X_MAX] __initdata;
+static u32 xen_e820_array_entries __initdata;
 
 /*
  * Buffer used to remap identity mapped pages. We only need the virtual space.
@@ -198,11 +198,11 @@ void __init xen_inv_extra_mem(void)
  */
 static unsigned long __init xen_find_pfn_range(unsigned long *min_pfn)
 {
-	const struct e820_entry *entry = xen_e820_map;
+	const struct e820_entry *entry = xen_e820_array;
 	unsigned int i;
 	unsigned long done = 0;
 
-	for (i = 0; i < xen_e820_map_entries; i++, entry++) {
+	for (i = 0; i < xen_e820_array_entries; i++, entry++) {
 		unsigned long s_pfn;
 		unsigned long e_pfn;
 
@@ -457,7 +457,7 @@ static unsigned long __init xen_foreach_remap_area(unsigned long nr_pages,
 {
 	phys_addr_t start = 0;
 	unsigned long ret_val = 0;
-	const struct e820_entry *entry = xen_e820_map;
+	const struct e820_entry *entry = xen_e820_array;
 	int i;
 
 	/*
@@ -471,9 +471,9 @@ static unsigned long __init xen_foreach_remap_area(unsigned long nr_pages,
 	 * example) the DMI tables in a reserved region that begins on
 	 * a non-page boundary.
 	 */
-	for (i = 0; i < xen_e820_map_entries; i++, entry++) {
+	for (i = 0; i < xen_e820_array_entries; i++, entry++) {
 		phys_addr_t end = entry->addr + entry->size;
-		if (entry->type == E820_RAM || i == xen_e820_map_entries - 1) {
+		if (entry->type == E820_RAM || i == xen_e820_array_entries - 1) {
 			unsigned long start_pfn = PFN_DOWN(start);
 			unsigned long end_pfn = PFN_UP(end);
 
@@ -601,10 +601,10 @@ static void __init xen_align_and_add_e820_region(phys_addr_t start,
 
 static void __init xen_ignore_unusable(void)
 {
-	struct e820_entry *entry = xen_e820_map;
+	struct e820_entry *entry = xen_e820_array;
 	unsigned int i;
 
-	for (i = 0; i < xen_e820_map_entries; i++, entry++) {
+	for (i = 0; i < xen_e820_array_entries; i++, entry++) {
 		if (entry->type == E820_UNUSABLE)
 			entry->type = E820_RAM;
 	}
@@ -620,9 +620,9 @@ bool __init xen_is_e820_reserved(phys_addr_t start, phys_addr_t size)
 		return false;
 
 	end = start + size;
-	entry = xen_e820_map;
+	entry = xen_e820_array;
 
-	for (mapcnt = 0; mapcnt < xen_e820_map_entries; mapcnt++) {
+	for (mapcnt = 0; mapcnt < xen_e820_array_entries; mapcnt++) {
 		if (entry->type == E820_RAM && entry->addr <= start &&
 		    (entry->addr + entry->size) >= end)
 			return false;
@@ -645,9 +645,9 @@ phys_addr_t __init xen_find_free_area(phys_addr_t size)
 {
 	unsigned mapcnt;
 	phys_addr_t addr, start;
-	struct e820_entry *entry = xen_e820_map;
+	struct e820_entry *entry = xen_e820_array;
 
-	for (mapcnt = 0; mapcnt < xen_e820_map_entries; mapcnt++, entry++) {
+	for (mapcnt = 0; mapcnt < xen_e820_array_entries; mapcnt++, entry++) {
 		if (entry->type != E820_RAM || entry->size < size)
 			continue;
 		start = entry->addr;
@@ -750,8 +750,8 @@ char * __init xen_memory_setup(void)
 	max_pfn = min(max_pfn, xen_start_info->nr_pages);
 	mem_end = PFN_PHYS(max_pfn);
 
-	memmap.nr_entries = ARRAY_SIZE(xen_e820_map);
-	set_xen_guest_handle(memmap.buffer, xen_e820_map);
+	memmap.nr_entries = ARRAY_SIZE(xen_e820_array);
+	set_xen_guest_handle(memmap.buffer, xen_e820_array);
 
 	op = xen_initial_domain() ?
 		XENMEM_machine_memory_map :
@@ -760,16 +760,16 @@ char * __init xen_memory_setup(void)
 	if (rc == -ENOSYS) {
 		BUG_ON(xen_initial_domain());
 		memmap.nr_entries = 1;
-		xen_e820_map[0].addr = 0ULL;
-		xen_e820_map[0].size = mem_end;
+		xen_e820_array[0].addr = 0ULL;
+		xen_e820_array[0].size = mem_end;
 		/* 8MB slack (to balance backend allocations). */
-		xen_e820_map[0].size += 8ULL << 20;
-		xen_e820_map[0].type = E820_RAM;
+		xen_e820_array[0].size += 8ULL << 20;
+		xen_e820_array[0].type = E820_RAM;
 		rc = 0;
 	}
 	BUG_ON(rc);
 	BUG_ON(memmap.nr_entries == 0);
-	xen_e820_map_entries = memmap.nr_entries;
+	xen_e820_array_entries = memmap.nr_entries;
 
 	/*
 	 * Xen won't allow a 1:1 mapping to be created to UNUSABLE
@@ -783,8 +783,8 @@ char * __init xen_memory_setup(void)
 		xen_ignore_unusable();
 
 	/* Make sure the Xen-supplied memory map is well-ordered. */
-	sanitize_e820_map(xen_e820_map, ARRAY_SIZE(xen_e820_map),
-			  &xen_e820_map_entries);
+	sanitize_e820_array(xen_e820_array, ARRAY_SIZE(xen_e820_array),
+			  &xen_e820_array_entries);
 
 	max_pages = xen_get_max_pages();
 
@@ -811,13 +811,13 @@ char * __init xen_memory_setup(void)
 	extra_pages = min3(EXTRA_MEM_RATIO * min(max_pfn, PFN_DOWN(MAXMEM)),
 			   extra_pages, max_pages - max_pfn);
 	i = 0;
-	addr = xen_e820_map[0].addr;
-	size = xen_e820_map[0].size;
-	while (i < xen_e820_map_entries) {
+	addr = xen_e820_array[0].addr;
+	size = xen_e820_array[0].size;
+	while (i < xen_e820_array_entries) {
 		bool discard = false;
 
 		chunk_size = size;
-		type = xen_e820_map[i].type;
+		type = xen_e820_array[i].type;
 
 		if (type == E820_RAM) {
 			if (addr < mem_end) {
@@ -840,9 +840,9 @@ char * __init xen_memory_setup(void)
 		size -= chunk_size;
 		if (size == 0) {
 			i++;
-			if (i < xen_e820_map_entries) {
-				addr = xen_e820_map[i].addr;
-				size = xen_e820_map[i].size;
+			if (i < xen_e820_array_entries) {
+				addr = xen_e820_array[i].addr;
+				size = xen_e820_array[i].size;
 			}
 		}
 	}
@@ -861,7 +861,7 @@ char * __init xen_memory_setup(void)
 	e820_add_region(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS,
 			E820_RESERVED);
 
-	sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
+	sanitize_e820_array(e820_array->map, ARRAY_SIZE(e820_array->map), &e820_array->nr_map);
 
 	/*
 	 * Check whether the kernel itself conflicts with the target E820 map.
@@ -923,21 +923,21 @@ char * __init xen_auto_xlated_memory_setup(void)
 	int i;
 	int rc;
 
-	memmap.nr_entries = ARRAY_SIZE(xen_e820_map);
-	set_xen_guest_handle(memmap.buffer, xen_e820_map);
+	memmap.nr_entries = ARRAY_SIZE(xen_e820_array);
+	set_xen_guest_handle(memmap.buffer, xen_e820_array);
 
 	rc = HYPERVISOR_memory_op(XENMEM_memory_map, &memmap);
 	if (rc < 0)
 		panic("No memory map (%d)\n", rc);
 
-	xen_e820_map_entries = memmap.nr_entries;
+	xen_e820_array_entries = memmap.nr_entries;
 
-	sanitize_e820_map(xen_e820_map, ARRAY_SIZE(xen_e820_map),
-			  &xen_e820_map_entries);
+	sanitize_e820_array(xen_e820_array, ARRAY_SIZE(xen_e820_array),
+			  &xen_e820_array_entries);
 
-	for (i = 0; i < xen_e820_map_entries; i++)
-		e820_add_region(xen_e820_map[i].addr, xen_e820_map[i].size,
-				xen_e820_map[i].type);
+	for (i = 0; i < xen_e820_array_entries; i++)
+		e820_add_region(xen_e820_array[i].addr, xen_e820_array[i].size,
+				xen_e820_array[i].type);
 
 	/* Remove p2m info, it is not needed. */
 	xen_start_info->mfn_list = 0;
diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index 7deb8d4a976e..92a1fe3c07eb 100644
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -3339,7 +3339,7 @@ int main(int argc, char *argv[])
 	 * simple, single region.
 	 */
 	boot->e820_entries = 1;
-	boot->e820_map[0] = ((struct e820_entry) { 0, mem, E820_RAM });
+	boot->e820_array[0] = ((struct e820_entry) { 0, mem, E820_RAM });
 	/*
 	 * The boot header contains a command line pointer: we put the command
 	 * line after the boot header.