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authorArve Hjønnevåg <arve@android.com>2013-02-26 22:07:35 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-05 16:37:45 +0800
commiteeb0f4f35fc1a4c0a5e30ec73e8e61916afa0399 (patch)
tree4a1a3ac5ae1923754e82192490e36a330c62868e /drivers/staging/android
parente5834d620d61d01444c41958f1816d688a96433c (diff)
downloadlinux-eeb0f4f35fc1a4c0a5e30ec73e8e61916afa0399.tar.gz
linux-eeb0f4f35fc1a4c0a5e30ec73e8e61916afa0399.tar.xz
staging: android: lowmemorykiller: Don't count reserved free memory
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>
Diffstat (limited to 'drivers/staging/android')
-rw-r--r--drivers/staging/android/lowmemorykiller.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 3b91b0fd4de3..18423d28414b 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -35,6 +35,7 @@
#include <linux/mm.h>
#include <linux/oom.h>
#include <linux/sched.h>
+#include <linux/swap.h>
#include <linux/rcupdate.h>
#include <linux/profile.h>
#include <linux/notifier.h>
@@ -74,7 +75,7 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
int selected_tasksize = 0;
short selected_oom_score_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) -
global_page_state(NR_SHMEM);