diff options
| author | Naitik Bharadiya <bharad@codeaurora.org> | 2020-03-26 15:01:56 +0530 |
|---|---|---|
| committer | Naitik Bharadiya <bharad@codeaurora.org> | 2020-03-26 15:49:57 +0530 |
| commit | a99886e77b364b77c4dd0dce8c5fa9e8e5f3e877 (patch) | |
| tree | e19dc584b74991fbf410fb74354326ab26449a6e | |
| parent | 0f793d310e340ee8873c413c3c828ae4642711d5 (diff) | |
android: lowmemorykiller: consider unevictable pages
Due to not considering unevictable pages, vmpressure < 95 is
getting ignored.This builds up the reclaim pressure causing
direct reclaims, that in turn results in vmpressure 100
causing a series of kills so, consider unevictable pages
in vmpressure notifier to avoid lowmemorykiller trigger.
Change-Id: Ic26dc76b92b4bbc885c3f40c85f3d6f03a7696e9
Signed-off-by: Naitik Bharadiya <bharad@codeaurora.org>
| -rw-r--r-- | drivers/staging/android/lowmemorykiller.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index 80070f67a895..ee4c11b4e164 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -294,6 +294,7 @@ static int lmk_vmpressure_notifier(struct notifier_block *nb, if (pressure >= 95) { other_file = global_page_state(NR_FILE_PAGES) + zcache_pages() - global_page_state(NR_SHMEM) - + global_page_state(NR_UNEVICTABLE) - total_swapcache_pages(); other_free = global_page_state(NR_FREE_PAGES); @@ -307,6 +308,7 @@ static int lmk_vmpressure_notifier(struct notifier_block *nb, other_file = global_page_state(NR_FILE_PAGES) + zcache_pages() - global_page_state(NR_SHMEM) - + global_page_state(NR_UNEVICTABLE) - total_swapcache_pages(); other_free = global_page_state(NR_FREE_PAGES); @@ -319,6 +321,7 @@ static int lmk_vmpressure_notifier(struct notifier_block *nb, } else if (atomic_read(&shift_adj)) { other_file = global_page_state(NR_FILE_PAGES) + zcache_pages() - global_page_state(NR_SHMEM) - + global_page_state(NR_UNEVICTABLE) - total_swapcache_pages(); other_free = global_page_state(NR_FREE_PAGES); |