diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
tree | aa5cc3760a27c3d57146498cb82fa549547de06c /drivers/staging/android/lowmemorykiller.c | |
parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/staging/android/lowmemorykiller.c')
-rw-r--r-- | drivers/staging/android/lowmemorykiller.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index 8b5a4a82d..2509e5df7 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -50,6 +50,7 @@ static short lowmem_adj[6] = { 6, 12, }; + static int lowmem_adj_size = 4; static int lowmem_minfree[6] = { 3 * 512, /* 6MB */ @@ -57,6 +58,7 @@ static int lowmem_minfree[6] = { 4 * 1024, /* 16MB */ 16 * 1024, /* 64MB */ }; + static int lowmem_minfree_size = 4; static unsigned long lowmem_deathpending_timeout; @@ -84,6 +86,7 @@ static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc) int tasksize; int i; short min_score_adj = OOM_SCORE_ADJ_MAX + 1; + int minfree = 0; int selected_tasksize = 0; short selected_oom_score_adj; int array_size = ARRAY_SIZE(lowmem_adj); @@ -97,8 +100,8 @@ static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc) if (lowmem_minfree_size < array_size) array_size = lowmem_minfree_size; for (i = 0; i < array_size; i++) { - if (other_free < lowmem_minfree[i] && - other_file < lowmem_minfree[i]) { + minfree = lowmem_minfree[i]; + if (other_free < minfree && other_file < minfree) { min_score_adj = lowmem_adj[i]; break; } @@ -153,8 +156,8 @@ static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc) selected = p; selected_tasksize = tasksize; selected_oom_score_adj = oom_score_adj; - lowmem_print(2, "select %d (%s), adj %hd, size %d, to kill\n", - p->pid, p->comm, oom_score_adj, tasksize); + lowmem_print(2, "select '%s' (%d), adj %hd, size %d, to kill\n", + p->comm, p->pid, oom_score_adj, tasksize); } if (selected) { task_lock(selected); @@ -167,9 +170,18 @@ static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc) if (selected->mm) mark_oom_victim(selected); task_unlock(selected); - lowmem_print(1, "send sigkill to %d (%s), adj %hd, size %d\n", - selected->pid, selected->comm, - selected_oom_score_adj, selected_tasksize); + lowmem_print(1, "Killing '%s' (%d), adj %hd,\n" + " to free %ldkB on behalf of '%s' (%d) because\n" + " cache %ldkB is below limit %ldkB for oom_score_adj %hd\n" + " Free memory is %ldkB above reserved\n", + selected->comm, selected->pid, + selected_oom_score_adj, + selected_tasksize * (long)(PAGE_SIZE / 1024), + current->comm, current->pid, + other_file * (long)(PAGE_SIZE / 1024), + minfree * (long)(PAGE_SIZE / 1024), + min_score_adj, + other_free * (long)(PAGE_SIZE / 1024)); lowmem_deathpending_timeout = jiffies + HZ; rem += selected_tasksize; } |