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Diffstat (limited to 'kernel/power/snapshot.c')
-rw-r--r--kernel/power/snapshot.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index b4a923e59bc..72787f92563 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -33,7 +33,6 @@
#include "power.h"
-
#ifdef CONFIG_HIGHMEM
struct highmem_page {
char *data;
@@ -88,12 +87,10 @@ static int save_highmem_zone(struct zone *zone)
}
return 0;
}
-#endif /* CONFIG_HIGHMEM */
static int save_highmem(void)
{
-#ifdef CONFIG_HIGHMEM
struct zone *zone;
int res = 0;
@@ -104,13 +101,11 @@ static int save_highmem(void)
if (res)
return res;
}
-#endif
return 0;
}
int restore_highmem(void)
{
-#ifdef CONFIG_HIGHMEM
printk("swsusp: Restoring Highmem\n");
while (highmem_copy) {
struct highmem_page *save = highmem_copy;
@@ -123,9 +118,12 @@ int restore_highmem(void)
free_page((long) save->data);
kfree(save);
}
-#endif
return 0;
}
+#else
+static int save_highmem(void) { return 0; }
+int restore_highmem(void) { return 0; }
+#endif /* CONFIG_HIGHMEM */
static int pfn_is_nosave(unsigned long pfn)
@@ -144,10 +142,10 @@ static int pfn_is_nosave(unsigned long pfn)
* isn't part of a free chunk of pages.
*/
-static int saveable(struct zone * zone, unsigned long * zone_pfn)
+static int saveable(struct zone *zone, unsigned long *zone_pfn)
{
unsigned long pfn = *zone_pfn + zone->zone_start_pfn;
- struct page * page;
+ struct page *page;
if (!pfn_valid(pfn))
return 0;
@@ -201,7 +199,7 @@ static void copy_data_pages(struct pbe *pblist)
SetPageNosaveFree(virt_to_page(p->address));
for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn) {
if (saveable(zone, &zone_pfn)) {
- struct page * page;
+ struct page *page;
page = pfn_to_page(zone_pfn + zone->zone_start_pfn);
BUG_ON(!pbe);
pbe->orig_address = (unsigned long)page_address(page);
@@ -295,7 +293,7 @@ static void *alloc_image_page(void)
* On each page we set up a list of struct_pbe elements.
*/
-struct pbe * alloc_pagedir(unsigned nr_pages)
+struct pbe *alloc_pagedir(unsigned nr_pages)
{
unsigned num;
struct pbe *pblist, *pbe;
@@ -304,12 +302,12 @@ struct pbe * alloc_pagedir(unsigned nr_pages)
return NULL;
pr_debug("alloc_pagedir(): nr_pages = %d\n", nr_pages);
- pblist = (struct pbe *)alloc_image_page();
+ pblist = alloc_image_page();
/* FIXME: rewrite this ugly loop */
for (pbe = pblist, num = PBES_PER_PAGE; pbe && num < nr_pages;
pbe = pbe->next, num += PBES_PER_PAGE) {
pbe += PB_PAGE_SKIP;
- pbe->next = (struct pbe *)alloc_image_page();
+ pbe->next = alloc_image_page();
}
if (!pbe) { /* get_zeroed_page() failed */
free_pagedir(pblist);