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path: root/drivers/base/memory.c
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Diffstat (limited to 'drivers/base/memory.c')
-rw-r--r--drivers/base/memory.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 62c63c0c5c22..cc4f1d0cbffe 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -23,7 +23,7 @@
#include <linux/slab.h>
#include <linux/atomic.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
static DEFINE_MUTEX(mem_sysfs_mutex);
@@ -226,11 +226,9 @@ memory_block_action(unsigned long phys_index, unsigned long action, int online_t
{
unsigned long start_pfn;
unsigned long nr_pages = PAGES_PER_SECTION * sections_per_block;
- struct page *first_page;
int ret;
start_pfn = section_nr_to_pfn(phys_index);
- first_page = pfn_to_page(start_pfn);
switch (action) {
case MEM_ONLINE:
@@ -251,7 +249,7 @@ memory_block_action(unsigned long phys_index, unsigned long action, int online_t
return ret;
}
-int memory_block_change_state(struct memory_block *mem,
+static int memory_block_change_state(struct memory_block *mem,
unsigned long to_state, unsigned long from_state_req)
{
int ret = 0;
@@ -391,33 +389,33 @@ static ssize_t show_valid_zones(struct device *dev,
{
struct memory_block *mem = to_memory_block(dev);
unsigned long start_pfn, end_pfn;
+ unsigned long valid_start, valid_end, valid_pages;
unsigned long nr_pages = PAGES_PER_SECTION * sections_per_block;
- struct page *first_page;
struct zone *zone;
int zone_shift = 0;
start_pfn = section_nr_to_pfn(mem->start_section_nr);
end_pfn = start_pfn + nr_pages;
- first_page = pfn_to_page(start_pfn);
/* The block contains more than one zone can not be offlined. */
- if (!test_pages_in_a_zone(start_pfn, end_pfn))
+ if (!test_pages_in_a_zone(start_pfn, end_pfn, &valid_start, &valid_end))
return sprintf(buf, "none\n");
- zone = page_zone(first_page);
+ zone = page_zone(pfn_to_page(valid_start));
+ valid_pages = valid_end - valid_start;
/* MMOP_ONLINE_KEEP */
sprintf(buf, "%s", zone->name);
/* MMOP_ONLINE_KERNEL */
- zone_shift = zone_can_shift(start_pfn, nr_pages, ZONE_NORMAL);
+ zone_can_shift(valid_start, valid_pages, ZONE_NORMAL, &zone_shift);
if (zone_shift) {
strcat(buf, " ");
strcat(buf, (zone + zone_shift)->name);
}
/* MMOP_ONLINE_MOVABLE */
- zone_shift = zone_can_shift(start_pfn, nr_pages, ZONE_MOVABLE);
+ zone_can_shift(valid_start, valid_pages, ZONE_MOVABLE, &zone_shift);
if (zone_shift) {
strcat(buf, " ");
strcat(buf, (zone + zone_shift)->name);