diff options
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/memory.c b/mm/memory.c index d205e4381a34..5f5d1f039bf4 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1577,12 +1577,12 @@ split_fallthrough: if (page->mapping && trylock_page(page)) { lru_add_drain(); /* push cached pages to LRU */ /* - * Because we lock page here and migration is - * blocked by the pte's page reference, we need - * only check for file-cache page truncation. + * Because we lock page here, and migration is + * blocked by the pte's page reference, and we + * know the page is still mapped, we don't even + * need to check for file-cache page truncation. */ - if (page->mapping) - mlock_vma_page(page); + mlock_vma_page(page); unlock_page(page); } } |