From: Arve Hjønnevåg arve@android.com
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 ---
Noticed that the patch is missing. Any reason for not wanting it in staging?
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 2d8d2b7..efc7dc1 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);