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Message-ID: <20090612082029.GC24044@wotan.suse.de> Date: Fri, 12 Jun 2009 10:20:29 +0200 From: Nick Piggin <npiggin@...e.de> To: Pekka Enberg <penberg@...helsinki.fi> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Linux Kernel list <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>, mingo@...e.hu, cl@...ux-foundation.org, akpm@...ux-foundation.org Subject: Re: slab: setup allocators earlier in the boot sequence On Fri, Jun 12, 2009 at 11:04:39AM +0300, Pekka Enberg wrote: > Hi Nick, > > On Fri, 2009-06-12 at 10:02 +0200, Nick Piggin wrote: > > Fair enough, but this can be done right down in the synchronous > > reclaim path in the page allocator. This will catch more cases > > of code using the page allocator directly, and should be not > > as hot as the slab allocator. > > So you want to push the local_irq_enable() to the page allocator too? We Well it would be nice to expose some page allocator functionality at a bit lower level, yes. Like another thing is to avoid atomic refcounting when there is no need for it (eg. in allocations for slab). > can certainly do that but I think we ought to wait for Andrew to merge > Mel's patches to mainline first, OK? Sure. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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