diff options
author | Mel Gorman <[email protected]> | 2013-10-07 11:29:14 +0100 |
---|---|---|
committer | Ingo Molnar <[email protected]> | 2013-10-09 12:40:44 +0200 |
commit | 25cbbef1924299249756bc4030fcb2436c019813 (patch) | |
tree | 9369e1194bf3ddc91a5298b04fe590845851565b /net/lapb/lapb_iface.c | |
parent | 4591ce4f2d22dc9de7a6719161ce409b5fd1caac (diff) |
mm: numa: Trap pmd hinting faults only if we would otherwise trap PTE faults
Base page PMD faulting is meant to batch handle NUMA hinting faults from
PTEs. However, even is no PTE faults would ever be handled within a
range the kernel still traps PMD hinting faults. This patch avoids the
overhead.
Signed-off-by: Mel Gorman <[email protected]>
Reviewed-by: Rik van Riel <[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')
0 files changed, 0 insertions, 0 deletions