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authorMinchan Kim <minchan.kim@gmail.com>2010-04-14 23:58:36 +0900
committerPekka Enberg <penberg@cs.helsinki.fi>2010-05-22 10:57:31 +0300
commit6b65aaf3027c4e02b42aaefd900aa79136a30681 (patch)
treea5a9b5cb55af436f9216729b734c92ee919a66d1 /README
parentd3e14aa336b37df76ae875fa051dfdb0e765ddf9 (diff)
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slub: Use alloc_pages_exact_node() for page allocation
The alloc_slab_page() in SLUB uses alloc_pages() if node is '-1'. This means that node validity check in alloc_pages_node is unnecessary and we can use alloc_pages_exact_node() to avoid comparison and branch as commit 6484eb3e2a81807722 ("page allocator: do not check NUMA node ID when the caller knows the node is valid") did for the page allocator. Cc: Christoph Lameter <cl@linux-foundation.org> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Minchan Kim <minchan.kim@gmail.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
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