[PATCH v4 07/12] sched/numa: fix set cpupid on page migration twice against normal page

From: Wanpeng Li
Date: Tue Dec 10 2013 - 04:28:51 EST


commit 7851a45cd3 (mm: numa: Copy cpupid on page migration) copy over
the cpupid at page migration time, there is unnecessary to set it again
in function alloc_misplaced_dst_page, this patch fix it.

Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
---
mm/migrate.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index b1b6663..508cde4 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1557,8 +1557,6 @@ static struct page *alloc_misplaced_dst_page(struct page *page,
__GFP_NOMEMALLOC | __GFP_NORETRY |
__GFP_NOWARN) &
~GFP_IOFS, 0);
- if (newpage)
- page_cpupid_xchg_last(newpage, page_cpupid_last(page));

return newpage;
}
--
1.7.7.6

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