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| author | Rik van Riel | 2013-10-07 12:29:23 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2013-10-09 14:47:51 +0200 |
| commit | 7851a45cd3f6198bf542c30e27b330e8eeb3736c (patch) | |
| tree | 6e81020606c34c95aeded72620738e3a22032e13 /mm/memory.c | |
| parent | sched/numa: Report a NUMA task group ID (diff) | |
| download | kernel-qcow2-linux-7851a45cd3f6198bf542c30e27b330e8eeb3736c.tar.gz kernel-qcow2-linux-7851a45cd3f6198bf542c30e27b330e8eeb3736c.tar.xz kernel-qcow2-linux-7851a45cd3f6198bf542c30e27b330e8eeb3736c.zip | |
mm: numa: Copy cpupid on page migration
After page migration, the new page has the nidpid unset. This makes
every fault on a recently migrated page look like a first numa fault,
leading to another page migration.
Copying over the nidpid at page migration time should prevent erroneous
migrations of recently migrated pages.
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1381141781-10992-46-git-send-email-mgorman@suse.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/memory.c')
0 files changed, 0 insertions, 0 deletions