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Diffstat (limited to 'arch')
-rw-r--r--arch/sh/Kconfig10
-rw-r--r--arch/sh/kernel/setup.c26
-rw-r--r--arch/sh/mm/init.c21
3 files changed, 9 insertions, 48 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 7d31d628cdec..64f5ae0ff96d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -490,16 +490,6 @@ config CPU_SUBTYPE_ST40
depends on CPU_SUBTYPE_ST40STB1 || CPU_SUBTYPE_ST40GX1
default y
-config ARCH_DISCONTIGMEM_ENABLE
- bool
- depends on SH_HP690
- default y
- help
- Say Y to upport efficient handling of discontiguous physical memory,
- for architectures which are either NUMA (Non-Uniform Memory Access)
- or have huge holes in the physical address space for other reasons.
- See <file:Documentation/vm/numa> for more.
-
source "mm/Kconfig"
config ZERO_PAGE_OFFSET
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 25b9d9ebe858..036050b377cd 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -83,9 +83,9 @@ static struct sh_machine_vector* __init get_mv_byname(const char* name);
/* ... */
#define COMMAND_LINE ((char *) (PARAM+0x100))
-#define RAMDISK_IMAGE_START_MASK 0x07FF
+#define RAMDISK_IMAGE_START_MASK 0x07FF
#define RAMDISK_PROMPT_FLAG 0x8000
-#define RAMDISK_LOAD_FLAG 0x4000
+#define RAMDISK_LOAD_FLAG 0x4000
static char command_line[COMMAND_LINE_SIZE] = { 0, };
@@ -284,18 +284,6 @@ void __init setup_arch(char **cmdline_p)
#define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
#define PFN_PHYS(x) ((x) << PAGE_SHIFT)
-#ifdef CONFIG_DISCONTIGMEM
- NODE_DATA(0)->bdata = &discontig_node_bdata[0];
- NODE_DATA(1)->bdata = &discontig_node_bdata[1];
-
- bootmap_size = init_bootmem_node(NODE_DATA(1),
- PFN_UP(__MEMORY_START_2ND),
- PFN_UP(__MEMORY_START_2ND),
- PFN_DOWN(__MEMORY_START_2ND+__MEMORY_SIZE_2ND));
- free_bootmem_node(NODE_DATA(1), __MEMORY_START_2ND, __MEMORY_SIZE_2ND);
- reserve_bootmem_node(NODE_DATA(1), __MEMORY_START_2ND, bootmap_size);
-#endif
-
/*
* Find the highest page frame number we have available
*/
@@ -306,10 +294,10 @@ void __init setup_arch(char **cmdline_p)
*/
max_low_pfn = max_pfn;
- /*
+ /*
* Partially used pages are not usable - thus
* we are rounding upwards:
- */
+ */
start_pfn = PFN_UP(__pa(_end));
/*
@@ -360,12 +348,12 @@ void __init setup_arch(char **cmdline_p)
reserve_bootmem_node(NODE_DATA(0), __MEMORY_START, PAGE_SIZE);
#ifdef CONFIG_BLK_DEV_INITRD
- ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
- if (&__rd_start != &__rd_end) {
+ ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
+ if (&__rd_start != &__rd_end) {
LOADER_TYPE = 1;
INITRD_START = PHYSADDR((unsigned long)&__rd_start) - __MEMORY_START;
INITRD_SIZE = (unsigned long)&__rd_end - (unsigned long)&__rd_start;
- }
+ }
if (LOADER_TYPE && INITRD_START) {
if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 4e9c854845a4..e342565f75fb 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -51,11 +51,6 @@ unsigned long mmu_context_cache = NO_CONTEXT;
#define MAX_LOW_PFN (NODE_DATA(0)->bdata->node_low_pfn)
#endif
-#ifdef CONFIG_DISCONTIGMEM
-pg_data_t discontig_page_data[MAX_NUMNODES];
-bootmem_data_t discontig_node_bdata[MAX_NUMNODES];
-#endif
-
void (*copy_page)(void *from, void *to);
void (*clear_page)(void *to);
@@ -216,15 +211,6 @@ void __init paging_init(void)
#endif
NODE_DATA(0)->node_mem_map = NULL;
free_area_init_node(0, NODE_DATA(0), zones_size, __MEMORY_START >> PAGE_SHIFT, 0);
-
-#ifdef CONFIG_DISCONTIGMEM
- /*
- * And for discontig, do some more fixups on the zone sizes..
- */
- zones_size[ZONE_DMA] = __MEMORY_SIZE_2ND >> PAGE_SHIFT;
- zones_size[ZONE_NORMAL] = 0;
- free_area_init_node(1, NODE_DATA(1), zones_size, __MEMORY_START_2ND >> PAGE_SHIFT, 0);
-#endif
}
void __init mem_init(void)
@@ -248,7 +234,7 @@ void __init mem_init(void)
memset(empty_zero_page, 0, PAGE_SIZE);
__flush_wback_region(empty_zero_page, PAGE_SIZE);
- /*
+ /*
* Setup wrappers for copy/clear_page(), these will get overridden
* later in the boot process if a better method is available.
*/
@@ -257,9 +243,6 @@ void __init mem_init(void)
/* this will put all low memory onto the freelists */
totalram_pages += free_all_bootmem_node(NODE_DATA(0));
-#ifdef CONFIG_DISCONTIGMEM
- totalram_pages += free_all_bootmem_node(NODE_DATA(1));
-#endif
reservedpages = 0;
for (tmp = 0; tmp < num_physpages; tmp++)
/*
@@ -286,7 +269,7 @@ void __init mem_init(void)
void free_initmem(void)
{
unsigned long addr;
-
+
addr = (unsigned long)(&__init_begin);
for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));