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authorJoonsoo Kim <js1304@gmail.com>2015-07-17 16:24:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-07-17 16:39:54 -0700
commite2cfc91120fa01e3458167054af993fb83d7d0ec (patch)
tree22ffd1c08779eb7ff49c313202cfe03492397c29 /mm/cma_debug.c
parentf3a14ced32513d103a3ed0ce89c4e713fac01461 (diff)
downloadlinux-e2cfc91120fa01e3458167054af993fb83d7d0ec.tar.bz2
mm/page_owner: set correct gfp_mask on page_owner
Currently, we set wrong gfp_mask to page_owner info in case of isolated freepage by compaction and split page. It causes incorrect mixed pageblock report that we can get from '/proc/pagetypeinfo'. This metric is really useful to measure fragmentation effect so should be accurate. This patch fixes it by setting correct information. Without this patch, after kernel build workload is finished, number of mixed pageblock is 112 among roughly 210 movable pageblocks. But, with this fix, output shows that mixed pageblock is just 57. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/cma_debug.c')
0 files changed, 0 insertions, 0 deletions