diff options
author | Arve Hjønnevåg <arve@android.com> | 2010-11-23 18:20:28 -0800 |
---|---|---|
committer | Niket Sirsi <nsirsi@nvidia.com> | 2011-01-07 10:23:32 -0800 |
commit | 8e82ef6e5e908da257d595218d9c273a1eec8eec (patch) | |
tree | 20cbb6a77e14aa71c3a392ae603711b06a161bdd | |
parent | 8b31719041662bae54d9acbef4e8c907756cdb6c (diff) |
staging: android: lowmemorykiller: Don't wait more than one second for a process to dietegra-10.9.9
If a process forked and the child process was killed by the
lowmemorykiller, the lowmemory killer would be disabled until
the parent process reaped the child or it died itself.
Change-Id: I49822d847ee54876b474a837743b4f4821fba57f
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Reviewed-on: http://git-master/r/15091
Reviewed-by: Ching Kuang (Roger) Hsieh <rhsieh@nvidia.com>
Tested-by: Ching Kuang (Roger) Hsieh <rhsieh@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
-rw-r--r-- | drivers/staging/android/lowmemorykiller.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index 37ed0f8c432c..a0303e3fe136 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -53,6 +53,7 @@ static size_t lowmem_minfree[6] = { static int lowmem_minfree_size = 4; static struct task_struct *lowmem_deathpending; +static unsigned long lowmem_deathpending_timeout; #define lowmem_print(level, x...) \ do { \ @@ -99,7 +100,8 @@ static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask) * this pass. * */ - if (lowmem_deathpending) + if (lowmem_deathpending && + time_before_eq(jiffies, lowmem_deathpending_timeout)) return 0; if (lowmem_adj_size < array_size) @@ -168,6 +170,7 @@ static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask) selected->pid, selected->comm, selected_oom_adj, selected_tasksize); lowmem_deathpending = selected; + lowmem_deathpending_timeout = jiffies + HZ; force_sig(SIGKILL, selected); rem -= selected_tasksize; } |