| | Date | Mon, 30 Jul 2012 15:50:04 +0300 | | From | "Kirill A. Shutemov" <> | | Subject | Re: [PATCH 04/10] memcg: skip memcg kmem allocations in specified code regions |
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On Wed, Jul 25, 2012 at 06:38:15PM +0400, Glauber Costa wrote: > This patch creates a mechanism that skip memcg allocations during > certain pieces of our core code. It basically works in the same way > as preempt_disable()/preempt_enable(): By marking a region under > which all allocations will be accounted to the root memcg. > > We need this to prevent races in early cache creation, when we > allocate data using caches that are not necessarily created already.
Why not a GFP_* flag?
-- Kirill A. Shutemov
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