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[PATCH] swsusp: cleanups 

Reduce number of ifdefs somehow, and fix whitespace a bit.  No real code
changes.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Pavel Machek 2005-10-30 14:59:59 -08:00 committed by Linus Torvalds
parent 96bc7aec20
commit de491861e1
1 changed files with 10 additions and 12 deletions
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22
kernel/power/snapshot.c
View File

@ -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);