diff options
author | Linux Build Service Account <lnxbuild@localhost> | 2018-06-02 01:13:34 -0700 |
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committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2018-06-02 01:13:34 -0700 |
commit | fd95dadf54bf08e910a4cad0bbce8d25e8813429 (patch) | |
tree | 7824cada0e10c6bb934c59b3b8a3aeb09b1e812f /mm/vmscan.c | |
parent | 33b2567cd52c95ad3b33578aaa200d53aa4d4dbc (diff) | |
parent | 9848856fe15cdad6b64b5883bb4c30528b358f7d (diff) |
Merge "Merge android-4.4.133 (3f51ea2) into msm-4.4"
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r-- | mm/vmscan.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 67da9446135d..c7fe805048da 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2194,11 +2194,17 @@ static void get_scan_count(struct lruvec *lruvec, int swappiness, } /* - * There is enough inactive page cache, do not reclaim - * anything from the anonymous working set right now. + * If there is enough inactive page cache, i.e. if the size of the + * inactive list is greater than that of the active list *and* the + * inactive list actually has some pages to scan on this priority, we + * do not reclaim anything from the anonymous working set right now. + * Without the second condition we could end up never scanning an + * lruvec even if it has plenty of old anonymous pages unless the + * system is under heavy pressure. */ if (!IS_ENABLED(CONFIG_BALANCE_ANON_FILE_RECLAIM) && - !inactive_file_is_low(lruvec)) { + !inactive_file_is_low(lruvec) && + get_lru_size(lruvec, LRU_INACTIVE_FILE) >> sc->priority) { scan_balance = SCAN_FILE; goto out; } |