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SubjectRe: [PATCH v5 4/8] sched/numa: fix set cpupid on page migration twice against normal page
On Wed, Dec 11, 2013 at 08:49:57AM +0800, Wanpeng Li wrote:
> 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.
>
> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
> Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>

migratepages aops is not necessarily required to go through migrate_page_copy
but in practice all of them do and it's hard to imagine one that didn't
so.

Acked-by: Mel Gorman <mgorman@suse.de>

--
Mel Gorman
SUSE Labs


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