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authorRik van Riel <[email protected]>2013-10-07 11:29:23 +0100
committerIngo Molnar <[email protected]>2013-10-09 14:47:51 +0200
commit7851a45cd3f6198bf542c30e27b330e8eeb3736c (patch)
tree6e81020606c34c95aeded72620738e3a22032e13 /net/lapb/lapb_iface.c
parente29cf08b05dc0b8151d65704d96d525a9e179a6b (diff)
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 <[email protected]> Signed-off-by: Mel Gorman <[email protected]> Cc: Andrea Arcangeli <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Srikar Dronamraju <[email protected]> Signed-off-by: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'net/lapb/lapb_iface.c')
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