Messages in this thread | | | Date | Wed, 3 Aug 2005 10:24:40 -0400 | From | Martin Hicks <> | Subject | Re: [PATCH] VM: add vm.free_node_memory sysctl |
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On Wed, Aug 03, 2005 at 04:15:29PM +0200, Andi Kleen wrote: > On Wed, Aug 03, 2005 at 09:56:46AM -0400, Martin Hicks wrote: > > > > Here's the promised sysctl to dump a node's pagecache. Please review! > > > > This patch depends on the zone reclaim atomic ops cleanup: > > http://marc.theaimsgroup.com/?l=linux-mm&m=112307646306476&w=2 > > Doesn't numactl --bind=node memhog nodesize-someslack do the same? > > It just might kick in the oom killer if someslack is too small > or someone has unfreeable data there. But then there should be > already an sysctl to turn that one off.
Doesn't the memhog hack also cause the machine to swap a lot? The zone_reclaim() path doesn't let the memory reclaim code swap.
mh
-- Martin Hicks || Silicon Graphics Inc. || mort@sgi.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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