mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-21 05:33:21 +02:00
61a476da4d
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17804 3c298f89-4303-0410-b956-a3cf2f4a3e73
49 lines
2.1 KiB
Diff
49 lines
2.1 KiB
Diff
From f82da10dcae73652a6f0355e4398b4be1af17e6b Mon Sep 17 00:00:00 2001
|
|
From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com>
|
|
Date: Mon, 26 Jan 2009 19:22:19 -0800
|
|
Subject: [PATCH 053/134] lowmemorykiller: Don't count free space unless it meets the specified limit by itself
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=utf-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
This allows processes to be killed when the kernel evict cache pages in
|
|
an attempt to get more contiguous free memory.
|
|
|
|
Signed-off-by: Arve Hjønnevåg <arve@android.com>
|
|
---
|
|
drivers/staging/android/lowmemorykiller.c | 13 +++++++++----
|
|
1 files changed, 9 insertions(+), 4 deletions(-)
|
|
|
|
--- a/drivers/staging/android/lowmemorykiller.c
|
|
+++ b/drivers/staging/android/lowmemorykiller.c
|
|
@@ -58,20 +58,25 @@ static int lowmem_shrink(int nr_to_scan,
|
|
int min_adj = OOM_ADJUST_MAX + 1;
|
|
int selected_tasksize = 0;
|
|
int array_size = ARRAY_SIZE(lowmem_adj);
|
|
- int other_free = global_page_state(NR_FREE_PAGES) + global_page_state(NR_FILE_PAGES);
|
|
+ int other_free = global_page_state(NR_FREE_PAGES);
|
|
+ int other_file = global_page_state(NR_FILE_PAGES);
|
|
if(lowmem_adj_size < array_size)
|
|
array_size = lowmem_adj_size;
|
|
if(lowmem_minfree_size < array_size)
|
|
array_size = lowmem_minfree_size;
|
|
for(i = 0; i < array_size; i++) {
|
|
- if(other_free < lowmem_minfree[i]) {
|
|
+ if (other_free < lowmem_minfree[i] &&
|
|
+ other_file < lowmem_minfree[i]) {
|
|
min_adj = lowmem_adj[i];
|
|
break;
|
|
}
|
|
}
|
|
if(nr_to_scan > 0)
|
|
- lowmem_print(3, "lowmem_shrink %d, %x, ofree %d, ma %d\n", nr_to_scan, gfp_mask, other_free, min_adj);
|
|
- rem = global_page_state(NR_ACTIVE) + global_page_state(NR_INACTIVE);
|
|
+ lowmem_print(3, "lowmem_shrink %d, %x, ofree %d %d, ma %d\n", nr_to_scan, gfp_mask, other_free, other_file, min_adj);
|
|
+ rem = global_page_state(NR_ACTIVE_ANON) +
|
|
+ global_page_state(NR_ACTIVE_FILE) +
|
|
+ global_page_state(NR_INACTIVE_ANON) +
|
|
+ global_page_state(NR_INACTIVE_FILE);
|
|
if (nr_to_scan <= 0 || min_adj == OOM_ADJUST_MAX + 1) {
|
|
lowmem_print(5, "lowmem_shrink %d, %x, return %d\n", nr_to_scan, gfp_mask, rem);
|
|
return rem;
|