tree ca10d7206cbaec5ff54b3c41ac9615f0d566393e
parent 71abdc15adf8c702a1dd535f8e30df50758848d2
author Joonsoo Kim <iamjoonsoo.kim@lge.com> 1402090536 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1402096086 -0700

slub: search partial list on numa_mem_id(), instead of numa_node_id()

Currently, if allocation constraint to node is NUMA_NO_NODE, we search a
partial slab on numa_node_id() node.  This doesn't work properly on a
system having memoryless nodes, since it can have no memory on that node
so there must be no partial slab on that node.

On that node, page allocation always falls back to numa_mem_id() first.
So searching a partial slab on numa_node_id() in that case is the proper
solution for the memoryless node case.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Han Pingtian <hanpt@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>