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| author | Vlastimil Babka <vbabka@suse.cz> | 2016-03-15 14:56:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-15 16:55:16 -0700 |
| commit | 7dd80b8af0bcd705a9ef2fa272c082882616a499 (patch) | |
| tree | 75048a0e7ff2648c59b1a23640e202653fa1aa27 /mm/migrate.c | |
| parent | 60f30350fd69a3e4d5f0f45937d3274c22565134 (diff) | |
| download | talos-op-linux-7dd80b8af0bcd705a9ef2fa272c082882616a499.tar.gz talos-op-linux-7dd80b8af0bcd705a9ef2fa272c082882616a499.zip | |
mm, page_owner: convert page_owner_inited to static key
CONFIG_PAGE_OWNER attempts to impose negligible runtime overhead when
enabled during compilation, but not actually enabled during runtime by
boot param page_owner=on. This overhead can be further reduced using
the static key mechanism, which this patch does.
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/migrate.c')
0 files changed, 0 insertions, 0 deletions
