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| author | Arve Hjønnevåg <arve@android.com> | 2012-01-13 22:21:25 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-08 14:14:14 -0800 |
| commit | e5d7965f88a3755b2d0c54768a17032ab3a72819 (patch) | |
| tree | 35b617f6bfbdd667edd29eb6387a2d7e430a2c38 /drivers/staging | |
| parent | 9545f86e3a3b6fac508dd43638d633d1a1567c26 (diff) | |
| download | linux-stable-e5d7965f88a3755b2d0c54768a17032ab3a72819.tar.gz linux-stable-e5d7965f88a3755b2d0c54768a17032ab3a72819.tar.bz2 linux-stable-e5d7965f88a3755b2d0c54768a17032ab3a72819.zip | |
staging: android: lowmemorykiller: Don't wait more than one second for a process to die
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.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -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 2d8d2b796101..efc7dc1f4831 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -54,6 +54,7 @@ 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 { \ @@ -103,7 +104,8 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc) * Note: Currently you need CONFIG_PROFILING * for this to work correctly. */ - if (lowmem_deathpending) + if (lowmem_deathpending && + time_before_eq(jiffies, lowmem_deathpending_timeout)) return 0; if (lowmem_adj_size < array_size) @@ -178,6 +180,7 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc) */ #ifdef CONFIG_PROFILING lowmem_deathpending = selected; + lowmem_deathpending_timeout = jiffies + HZ; task_handoff_register(&task_nb); #endif force_sig(SIGKILL, selected); |