| commit | 7d5e324573b0ffd7098ab880c82096ca29a11f7f | [log] [tgz] |
|---|---|---|
| author | Johannes Weiner <hannes@cmpxchg.org> | Wed Dec 10 15:43:46 2014 -0800 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Wed Dec 10 17:41:06 2014 -0800 |
| tree | 9847999e2b1efcab0a72425adff3d5b85d2947ad | |
| parent | dfe0e773d0258a4d7dfd763e1fda04aa27680b90 [diff] |
mm: memcontrol: clarify migration where old page is uncharged Better explain re-entrant migration when compaction races with reclaim, and also mention swapcache readahead pages as possible uncharged migration sources. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Hugh Dickins <hughd@google.com> Acked-by: Michal Hocko <mhocko@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>