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authorChristoph Lameter <clameter@sgi.com>2007-10-16 04:25:30 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 12:42:58 -0400
commit6eaf806a223e61dc5f2de4ab591f11beb97a8f3b (patch)
treefd63b422c3cb357792d12f9170c354e25b94daa0 /sound/sound_firmware.c
parent7ea1530ab3fdfa85441061909cc8040e84776fd4 (diff)
Memoryless nodes: Fix interleave behavior for memoryless nodes
MPOL_INTERLEAVE currently simply loops over all nodes. Allocations on memoryless nodes will be redirected to nodes with memory. This results in an imbalance because the neighboring nodes to memoryless nodes will get significantly more interleave hits that the rest of the nodes on the system. We can avoid this imbalance by clearing the nodes in the interleave node set that have no memory. If we use the node map of the memory nodes instead of the online nodes then we have only the nodes we want. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Tested-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Acked-by: Bob Picco <bob.picco@hp.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@skynet.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'sound/sound_firmware.c')
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