From: John Stultz <john.stultz@linaro.org>
To: lkml <linux-kernel@vger.kernel.org>
Cc: "Arve Hjønnevåg" <arve@android.com>,
"Android Kernel Team" <kernel-team@android.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"John Stultz" <john.stultz@linaro.org>
Subject: [PATCH 2/5] staging: android: lowmemorykiller: Don't count reserved free memory
Date: Tue, 26 Feb 2013 22:07:35 -0800 [thread overview]
Message-ID: <1361945258-24420-3-git-send-email-john.stultz@linaro.org> (raw)
In-Reply-To: <1361945258-24420-1-git-send-email-john.stultz@linaro.org>
From: Arve Hjønnevåg <arve@android.com>
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>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
drivers/staging/android/lowmemorykiller.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 7e00bdb..2f28763 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);
--
1.7.10.4
next prev parent reply other threads:[~2013-02-27 6:08 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-27 6:07 [PATCH 0/5] staging: Updates from the Android tree (for 3.10) John Stultz
2013-02-27 6:07 ` [PATCH 1/5] staging: android: lowmemorykiller: Add config option to support oom_adj values John Stultz
2013-02-27 22:18 ` David Rientjes
2013-02-27 22:38 ` Arve Hjønnevåg
2013-02-27 23:12 ` David Rientjes
2013-02-27 23:47 ` Arve Hjønnevåg
2013-02-28 0:14 ` David Rientjes
2013-02-28 1:05 ` Arve Hjønnevåg
2013-02-28 1:41 ` David Rientjes
2013-02-27 6:07 ` John Stultz [this message]
2013-02-27 22:19 ` [PATCH 2/5] staging: android: lowmemorykiller: Don't count reserved free memory David Rientjes
2013-02-27 6:07 ` [PATCH 3/5] staging: android: lowmemorykiller: Change default debug_level to 1 John Stultz
2013-02-27 6:07 ` [PATCH 4/5] staging: android: logger: Allow a UID to read it's own log entries John Stultz
2013-02-27 6:07 ` [PATCH 5/5] staging: android: logger: enforce GID and CAP check on log flush John Stultz
2013-03-05 8:39 ` [PATCH 0/5] staging: Updates from the Android tree (for 3.10) Greg Kroah-Hartman
2013-03-05 9:56 ` John Stultz
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