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| author |   Wonhong Kwon <wonhongkwon@gmail.com> | 2015-02-03 17:22:00 +0900 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-02-03 22:53:53 +0100 |
| commit | a64fc82c4f1598db024de7b3d79e7213379769ff (patch) | |
| tree | 80eb900e1737770f4245e181fe8bcd5164a4f075 /kernel | |
| parent | PM / sleep: export suspend_resume trace event (diff) | |
| download | linux-dev-a64fc82c4f1598db024de7b3d79e7213379769ff.tar.xz linux-dev-a64fc82c4f1598db024de7b3d79e7213379769ff.zip | |
PM / hibernate: exclude freed pages from allocated pages printout
hibernate_preallocate_memory() prints out that how many pages are
allocated, but it doesn't take into consideration the pages freed by
free_unnecessary_pages(). Therefore, it always shows the count more
than actually allocated.
Signed-off-by: Wonhong Kwon <wonhong.kwon@lge.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/snapshot.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 8e75a5a1e9b4..c24d5a23bf93 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -1472,9 +1472,9 @@ static inline unsigned long preallocate_highmem_fraction(unsigned long nr_pages, /** * free_unnecessary_pages - Release preallocated pages not needed for the image */ -static void free_unnecessary_pages(void) +static unsigned long free_unnecessary_pages(void) { - unsigned long save, to_free_normal, to_free_highmem; + unsigned long save, to_free_normal, to_free_highmem, free; save = count_data_pages(); if (alloc_normal >= save) { @@ -1495,6 +1495,7 @@ static void free_unnecessary_pages(void) else to_free_normal = 0; } + free = to_free_normal + to_free_highmem; memory_bm_position_reset(©_bm); @@ -1518,6 +1519,8 @@ static void free_unnecessary_pages(void) swsusp_unset_page_free(page); __free_page(page); } + + return free; } /** @@ -1707,7 +1710,7 @@ int hibernate_preallocate_memory(void) * pages in memory, but we have allocated more. Release the excessive * ones now. */ - free_unnecessary_pages(); + pages -= free_unnecessary_pages(); out: stop = ktime_get(); |