Messages in this thread | | | Date | Fri, 05 Aug 2011 10:16:29 -0400 | From | Rik van Riel <> | Subject | Re: [patch 1/5] mm: page_alloc: increase __GFP_BITS_SHIFT to include __GFP_OTHER_NODE |
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On 07/25/2011 04:19 PM, Johannes Weiner wrote: > From: Johannes Weiner<hannes@cmpxchg.org> > > __GFP_OTHER_NODE is used for NUMA allocations on behalf of other > nodes. It's supposed to be passed through from the page allocator to > zone_statistics(), but it never gets there as gfp_allowed_mask is not > wide enough and masks out the flag early in the allocation path. > > The result is an accounting glitch where successful NUMA allocations > by-agent are not properly attributed as local. > > Increase __GFP_BITS_SHIFT so that it includes __GFP_OTHER_NODE. > > Signed-off-by: Johannes Weiner<hannes@cmpxchg.org>
Acked-by: Rik van Riel <riel@redhat.com>
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