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author | Andrew Morton <akpm@linux-foundation.org> | 2015-05-14 01:01:40 +0000 |
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committer | Johannes Weiner <hannes@cmpxchg.org> | 2015-05-14 01:01:40 +0000 |
commit | 80885b1f704c1ccabb0752ae5ebacf2b4430c4fb (patch) | |
tree | dddcb7b27552cecba0545c32d415405887ac3320 | |
parent | 0a8ccb8c0d5b323c9533938c0ff7bd3810d935da (diff) | |
download | mm-next-80885b1f704c1ccabb0752ae5ebacf2b4430c4fb.tar.gz |
rmap-fix-theoretical-race-between-do_wp_page-and-shrink_active_list-fix-fix
tweak comment, per Minchan
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Vladimir Davydov <vdavydov@parallels.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r-- | mm/rmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 8f3be486149297..9f47f152b01e1e 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -952,8 +952,8 @@ void page_move_anon_rmap(struct page *page, anon_vma = (void *) anon_vma + PAGE_MAPPING_ANON; /* * Ensure that anon_vma and the PAGE_MAPPING_ANON bit are written - * simultaneously, so a concurrent reader (eg shrink_active_list) will - * not see one without the other. + * simultaneously, so a concurrent reader (eg page_referenced()'s + * PageAnon()) will not see one without the other. */ WRITE_ONCE(page->mapping, (struct address_space *) anon_vma); } |