Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] - Improve drain pages performance on large systems | Date | Tue, 15 Feb 2011 16:17:44 -0800 |
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Jack Steiner <steiner@sgi.com> writes:
> Heavy swapping within a cpuset causes frequent calls to drain_all_pages().
I suspect drain_all_pages should be really made more zone aware in the first place and only drain what is actually needed (e.g. work off a zonelist). I was fighting with this for hwpoison too.
That said your patch looks reasonable.
-Andi
-- ak@linux.intel.com -- Speaking for myself only
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