mm/migrate.c: check pagelist in move_pages_and_store_status()

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When pagelist is empty, it is not necessary to do the move and store.
Also it consolidate the empty list check in one place.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Link: http://lkml.kernel.org/r/20200214003017.25558-4-richardw.yang@linux.intel.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Wei Yang 2020-04-06 20:04:15 -07:00 • committed by Linus Torvalds

parent 7ca8783ad8

commit 5d7ae891cd

1 changed files with 3 additions and 6 deletions

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mm/migrate.c

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