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Diffstat (limited to 'drivers/base/memory.c')
-rw-r--r--drivers/base/memory.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 2f8691511190..933442f40321 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -22,6 +22,7 @@
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/stat.h>
+#include <linux/slab.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
@@ -312,7 +313,7 @@ static ssize_t
print_block_size(struct sysdev_class *class, struct sysdev_class_attribute *attr,
char *buf)
{
- return sprintf(buf, "%#lx\n", (unsigned long)PAGES_PER_SECTION * PAGE_SIZE);
+ return sprintf(buf, "%lx\n", (unsigned long)PAGES_PER_SECTION * PAGE_SIZE);
}
static SYSDEV_CLASS_ATTR(block_size_bytes, 0444, print_block_size, NULL);
@@ -429,12 +430,16 @@ static inline int memory_fail_init(void)
* differentiation between which *physical* devices each
* section belongs to...
*/
+int __weak arch_get_memory_phys_device(unsigned long start_pfn)
+{
+ return 0;
+}
static int add_memory_block(int nid, struct mem_section *section,
- unsigned long state, int phys_device,
- enum mem_add_context context)
+ unsigned long state, enum mem_add_context context)
{
struct memory_block *mem = kzalloc(sizeof(*mem), GFP_KERNEL);
+ unsigned long start_pfn;
int ret = 0;
if (!mem)
@@ -443,7 +448,8 @@ static int add_memory_block(int nid, struct mem_section *section,
mem->phys_index = __section_nr(section);
mem->state = state;
mutex_init(&mem->state_mutex);
- mem->phys_device = phys_device;
+ start_pfn = section_nr_to_pfn(mem->phys_index);
+ mem->phys_device = arch_get_memory_phys_device(start_pfn);
ret = register_memory(mem, section);
if (!ret)
@@ -515,7 +521,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section,
*/
int register_new_memory(int nid, struct mem_section *section)
{
- return add_memory_block(nid, section, MEM_OFFLINE, 0, HOTPLUG);
+ return add_memory_block(nid, section, MEM_OFFLINE, HOTPLUG);
}
int unregister_memory_section(struct mem_section *section)
@@ -548,7 +554,7 @@ int __init memory_dev_init(void)
if (!present_section_nr(i))
continue;
err = add_memory_block(0, __nr_to_section(i), MEM_ONLINE,
- 0, BOOT);
+ BOOT);
if (!ret)
ret = err;
}