From 64a473cb74a88cb4991edf985d55a266e65292e1 Mon Sep 17 00:00:00 2001 From: Rafael J. Wysocki Date: Wed, 8 Jul 2009 13:24:05 +0200 Subject: PM/Hibernate: Do not release preallocated memory unnecessarily (rev. 2) Since the hibernation code is now going to use allocations of memory to make enough room for the image, it can also use the page frames allocated at this stage as image page frames. The low-level hibernation code needs to be rearranged for this purpose, but it allows us to avoid freeing a great number of pages and allocating these same pages once again later, so it generally is worth doing. [rev. 2: Take highmem into account correctly.] Signed-off-by: Rafael J. Wysocki --- kernel/power/power.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/power/power.h') diff --git a/kernel/power/power.h b/kernel/power/power.h index 26d5a26f82e3..46c5a26630a3 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -74,7 +74,7 @@ extern asmlinkage int swsusp_arch_resume(void); extern int create_basic_memory_bitmaps(void); extern void free_basic_memory_bitmaps(void); -extern int swsusp_shrink_memory(void); +extern int hibernate_preallocate_memory(void); /** * Auxiliary structure used for reading the snapshot image data and -- cgit v1.2.3-55-g7522