mm: migrate: Drop the misplaced pages reference count if the target node is full

If we have to avoid migrating to a node that is nearly full, put page
and return zero.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Mel Gorman <mgorman@suse.de>
This commit is contained in:
Mel Gorman 2012-11-27 14:03:05 +00:00
commit 149c33e1c9