Commit 0b1303fc authored Mar 24, 2006 by Christoph Lameter Committed by Linus Torvalds Mar 24, 2006

[PATCH] cpusets: only wakeup kswapd for zones in the current cpuset



If we get under some memory pressure in a cpuset (we only scan zones that
are in the cpuset for memory) then kswapd is woken up for all zones.  This
patch only wakes up kswapd in zones that are part of the current cpuset.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 95c38322

mm/page_alloc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -943,6 +943,7 @@ restart:
		goto got_pg;

		do {
		if (cpuset_zone_allowed(*z, gfp_mask))
		wakeup_kswapd(*z, order);
		} while (*(++z));

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