Messages in this thread |  | | | Date | Thu, 3 Mar 2011 11:33:15 +0900 | | From | KAMEZAWA Hiroyuki <> | | Subject | Re: [PATCH 6/8] Add __GFP_OTHER_NODE flag |
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On Wed, 2 Mar 2011 16:45:26 -0800 Andi Kleen <andi@firstfloor.org> wrote:
> From: Andi Kleen <ak@linux.intel.com> > > Add a new __GFP_OTHER_NODE flag to tell the low level numa statistics > in zone_statistics() that an allocation is on behalf of another thread. > This way the local and remote counters can be still correct, even > when background daemons like khugepaged are changing memory > mappings. > > This only affects the accounting, but I think it's worth doing that > right to avoid confusing users. > > I first tried to just pass down the right node, but this required > a lot of changes to pass down this parameter and at least one > addition of a 10th argument to a 9 argument function. Using > the flag is a lot less intrusive. > > Open: should be also used for migration? > > Cc: aarcange@redhat.com > Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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