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| author | Dave Airlie <airlied@redhat.com> | 2016-12-05 17:11:48 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2016-12-05 17:11:48 +1000 |
| commit | f03ee46be9401e3434f52bb15e92d1e640f76438 (patch) | |
| tree | f0a1819bd3e44902578b80e1a03d1dde1c6099b8 /mm/mlock.c | |
| parent | 0d5320fc194128a1a584a7e91a606cb3af2ded80 (diff) | |
| parent | 3e5de27e940d00d8d504dfb96625fb654f641509 (diff) | |
| download | linux-f03ee46be9401e3434f52bb15e92d1e640f76438.tar.bz2 | |
Backmerge tag 'v4.9-rc8' into drm-next
Linux 4.9-rc8
Daniel requested this so we could apply some follow on fixes cleanly to -next.
Diffstat (limited to 'mm/mlock.c')
| -rw-r--r-- | mm/mlock.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/mlock.c b/mm/mlock.c index 145a4258ddbc..cdbed8aaa426 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -190,10 +190,13 @@ unsigned int munlock_vma_page(struct page *page) */ spin_lock_irq(zone_lru_lock(zone)); - nr_pages = hpage_nr_pages(page); - if (!TestClearPageMlocked(page)) + if (!TestClearPageMlocked(page)) { + /* Potentially, PTE-mapped THP: do not skip the rest PTEs */ + nr_pages = 1; goto unlock_out; + } + nr_pages = hpage_nr_pages(page); __mod_zone_page_state(zone, NR_MLOCK, -nr_pages); if (__munlock_isolate_lru_page(page, true)) { |