Messages in this thread | | | Subject | Re: [PATCH 03/33] mm: slub: add knowledge of reserve pages | From | Peter Zijlstra <> | Date | Wed, 31 Oct 2007 14:08:43 +0100 |
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On Wed, 2007-10-31 at 13:54 +0100, Peter Zijlstra wrote: > On Wed, 2007-10-31 at 22:25 +1100, Nick Piggin wrote:
> > What I'm saying is that the slab allocator slowpath should always > > just check watermarks against the current task. Instead of this > > ->reserve stuff. > > So what you say is to allocate a slab every time we take the slow path, > even when we already have one?
BTW, a task that does not have reserve permissions will already attempt to allocate a new slab - this is done to probe the current watermarks. If this succeeds the reserve status is lifted.
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