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| author | Ingo Molnar <mingo@kernel.org> | 2018-02-26 08:39:26 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-02-26 08:41:15 +0100 |
| commit | 3f7df3efeb415610d27aecc282ff96d4a22f0168 (patch) | |
| tree | 0f66382746a1311043a25320243ff5f4b10c282e /mm/mlock.c | |
| parent | x86/mm: Optimize boot-time paging mode switching cost (diff) | |
| parent | Linux 4.16-rc3 (diff) | |
| download | linux-3f7df3efeb415610d27aecc282ff96d4a22f0168.tar.gz linux-3f7df3efeb415610d27aecc282ff96d4a22f0168.zip | |
Merge tag 'v4.16-rc3' into x86/mm, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/mlock.c')
| -rw-r--r-- | mm/mlock.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/mlock.c b/mm/mlock.c index 79398200e423..74e5a6547c3d 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -64,6 +64,12 @@ void clear_page_mlock(struct page *page) mod_zone_page_state(page_zone(page), NR_MLOCK, -hpage_nr_pages(page)); count_vm_event(UNEVICTABLE_PGCLEARED); + /* + * The previous TestClearPageMlocked() corresponds to the smp_mb() + * in __pagevec_lru_add_fn(). + * + * See __pagevec_lru_add_fn for more explanation. + */ if (!isolate_lru_page(page)) { putback_lru_page(page); } else { |