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staging: android: lowmemorykiller: Don't count reserved free memory

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The amount of reserved memory varies between devices. Subtract it
here to reduce the amount of devices specific tuning needed for the
minfree values.

Cc: Android Kernel Team <kernel-team@android.com>
Cc: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arve Hjønnevåg 2013-02-26 22:07:35 -08:00 committed by Greg Kroah-Hartman
parent e5834d620d
commit eeb0f4f35f
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/android/lowmemorykiller.c
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@ -35,6 +35,7 @@
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/oom.h> #include <linux/oom.h>
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/swap.h>
#include <linux/rcupdate.h> #include <linux/rcupdate.h>
#include <linux/profile.h> #include <linux/profile.h>
#include <linux/notifier.h> #include <linux/notifier.h>
@ -74,7 +75,7 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
int selected_tasksize = 0; int selected_tasksize = 0;
short selected_oom_score_adj; short selected_oom_score_adj;
int array_size = ARRAY_SIZE(lowmem_adj); int array_size = ARRAY_SIZE(lowmem_adj);
int other_free = global_page_state(NR_FREE_PAGES); int other_free = global_page_state(NR_FREE_PAGES) - totalreserve_pages;
int other_file = global_page_state(NR_FILE_PAGES) - int other_file = global_page_state(NR_FILE_PAGES) -
global_page_state(NR_SHMEM); global_page_state(NR_SHMEM);