Re: [PATCH 03/33] mm: slub: add knowledge of reserve pages

[Peter Zijlstra]

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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