mm: migrate: lock buffers before migrate_page_move_mapping()
Lock buffers before calling into migrate_page_move_mapping() so that that function doesn't have to know about buffers (which is somewhat unexpected anyway) and all the buffer head logic is in buffer_migrate_page(). Link: http://lkml.kernel.org/r/20181211172143.7358-3-jack@suse.cz Signed-off-by:Jan Kara <jack@suse.cz> Acked-by:
Mel Gorman <mgorman@suse.de> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
parent
0b3901b3
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