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| author | Mel Gorman | 2009-06-17 00:32:16 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2009-06-17 04:47:35 +0200 |
| commit | b6e68bc1baed9b6972a250aba66b8c5276cf6fb1 (patch) | |
| tree | 193af67b8333417347b9324e4bf9963d7cf0a872 /mm/page_alloc.c | |
| parent | page allocator: use a pre-calculated value instead of num_online_nodes() in f... (diff) | |
| download | kernel-qcow2-linux-b6e68bc1baed9b6972a250aba66b8c5276cf6fb1.tar.gz kernel-qcow2-linux-b6e68bc1baed9b6972a250aba66b8c5276cf6fb1.tar.xz kernel-qcow2-linux-b6e68bc1baed9b6972a250aba66b8c5276cf6fb1.zip | |
page allocator: slab: use nr_online_nodes to check for a NUMA platform
SLAB currently avoids checking a bitmap repeatedly by checking once and
storing a flag. When the addition of nr_online_nodes as a cheaper version
of num_online_nodes(), this check can be replaced by nr_online_nodes.
(Christoph did a patch that this is lifted almost verbatim from)
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
0 files changed, 0 insertions, 0 deletions