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swsusp: remove code duplication between disk.c and user.c

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Currently, much of the code in kernel/power/disk.c is duplicated in
kernel/power/user.c , mainly for historical reasons.  By eliminating this code
duplication we can reduce the size of user.c quite substantially and remove
the maintenance difficulty resulting from it.

[bunk@stusta.de: kernel/power/disk.c: make code static]
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <nigel@nigel.suspend2.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rafael J. Wysocki
2007-07-19 01:47:29 -07:00
committed by Linus Torvalds
parent 127067a9c9
commit 7777fab989
3 changed files with 115 additions and 170 deletions
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5
kernel/power/power.h
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@@ -25,7 +25,10 @@ struct swsusp_info {
*/
#define SPARE_PAGES ((1024 * 1024) >> PAGE_SHIFT)
extern struct hibernation_ops *hibernation_ops;
/* kernel/power/disk.c */
extern int hibernation_snapshot(int platform_mode);
extern int hibernation_restore(void);
extern int hibernation_platform_enter(void);
#endif
extern int pfn_is_nosave(unsigned long);