diff options
Diffstat (limited to 'target/linux/goldfish/patches-2.6.30/0052-lowmemorykiller-Only-iterate-over-process-list-when.patch')
| -rw-r--r-- | target/linux/goldfish/patches-2.6.30/0052-lowmemorykiller-Only-iterate-over-process-list-when.patch | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/target/linux/goldfish/patches-2.6.30/0052-lowmemorykiller-Only-iterate-over-process-list-when.patch b/target/linux/goldfish/patches-2.6.30/0052-lowmemorykiller-Only-iterate-over-process-list-when.patch deleted file mode 100644 index baaa6863d8..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0052-lowmemorykiller-Only-iterate-over-process-list-when.patch +++ /dev/null @@ -1,66 +0,0 @@ -From 3742e6638bdb7325c6432e2a145ad985ee47d052 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 19:13:47 -0800 -Subject: [PATCH 052/134] lowmemorykiller: Only iterate over process list when needed. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Use NR_ACTIVE plus NR_INACTIVE as a size estimate for our fake cache -instead the sum of rss. Neither method is accurate. - -Also skip the process scan, if the amount of memory available is above -the largest threshold set. - -Signed-off-by: Arve Hjønnevåg <arve@android.com> ---- - drivers/staging/android/lowmemorykiller.c | 35 +++++++++++++++++----------- - 1 files changed, 21 insertions(+), 14 deletions(-) - ---- a/drivers/staging/android/lowmemorykiller.c -+++ b/drivers/staging/android/lowmemorykiller.c -@@ -71,23 +71,30 @@ static int lowmem_shrink(int nr_to_scan, - } - 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); -+ 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; -+ } -+ - read_lock(&tasklist_lock); - for_each_process(p) { -- if(p->oomkilladj >= 0 && p->mm) { -- tasksize = get_mm_rss(p->mm); -- if(nr_to_scan > 0 && tasksize > 0 && p->oomkilladj >= min_adj) { -- if(selected == NULL || -- p->oomkilladj > selected->oomkilladj || -- (p->oomkilladj == selected->oomkilladj && -- tasksize > selected_tasksize)) { -- selected = p; -- selected_tasksize = tasksize; -- lowmem_print(2, "select %d (%s), adj %d, size %d, to kill\n", -- p->pid, p->comm, p->oomkilladj, tasksize); -- } -- } -- rem += tasksize; -+ if (p->oomkilladj < min_adj || !p->mm) -+ continue; -+ tasksize = get_mm_rss(p->mm); -+ if (tasksize <= 0) -+ continue; -+ if (selected) { -+ if (p->oomkilladj < selected->oomkilladj) -+ continue; -+ if (p->oomkilladj == selected->oomkilladj && -+ tasksize <= selected_tasksize) -+ continue; - } -+ selected = p; -+ selected_tasksize = tasksize; -+ lowmem_print(2, "select %d (%s), adj %d, size %d, to kill\n", -+ p->pid, p->comm, p->oomkilladj, tasksize); - } - if(selected != NULL) { - lowmem_print(1, "send sigkill to %d (%s), adj %d, size %d\n", |