diff options
| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2016-07-26 15:23:46 -0700 |
|---|---|---|
| committer | Prakash Gupta <guptap@codeaurora.org> | 2017-07-07 15:18:08 +0530 |
| commit | dac6f39dc8940e06796e84b17bc1cf59c4e7a870 (patch) | |
| tree | 726b924061e4c8025db1f9ad6809fdc1b825419f | |
| parent | 5437536c75ed27f22ecdc5d63f982cf0ef4ae514 (diff) | |
mm/page_owner: copy last_migrate_reason in copy_page_owner()
Currently, copy_page_owner() doesn't copy all the owner information. It
skips last_migrate_reason because copy_page_owner() is used for
migration and it will be properly set soon. But, following patch will
use copy_page_owner() and this skip will cause the problem that
allocated page has uninitialied last_migrate_reason. To prevent it,
this patch also copy last_migrate_reason in copy_page_owner().
Change-Id: Ibaf1320c296f808098481a29bde3147390199b90
Link: http://lkml.kernel.org/r/1464230275-25791-3-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Alexander Potapenko <glider@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: a8efe1c982a22c95884dee1ddf2e721567d1f483
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
| -rw-r--r-- | mm/page_owner.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/page_owner.c b/mm/page_owner.c index 0f7e6147d359..ce6f5dd6bfc0 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -105,6 +105,7 @@ void __copy_page_owner(struct page *oldpage, struct page *newpage) new_ext->order = old_ext->order; new_ext->gfp_mask = old_ext->gfp_mask; + new_ext->last_migrate_reason = old_ext->last_migrate_reason; new_ext->nr_entries = old_ext->nr_entries; for (i = 0; i < ARRAY_SIZE(new_ext->trace_entries); i++) |