linux-kernel - Re: [PATCH] SLUB: revert direct page allocator pass through

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Message-ID: <alpine.DEB.1.10.0901231022490.21692@qirst.com>
Date:	Fri, 23 Jan 2009 10:25:06 -0500 (EST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
cc:	Nick Piggin <nickpiggin@...oo.com.au>,
	yanmin_zhang@...ux.intel.com, Andi Kleen <andi@...stfloor.org>,
	Matthew Wilcox <matthew@....cx>, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org
Subject: Re: [PATCH] SLUB: revert direct page allocator pass through

On Fri, 23 Jan 2009, Pekka Enberg wrote:

> On Fri, Jan 23, 2009 at 5:03 PM, Christoph Lameter
> <cl@...ux-foundation.org> wrote:
> > It seems that we currently need the slab allocators to compensate for the
> > performance problems in the page allocator for these higher order allocs.
> > I'd rather have the page allocator fixed but things are as they are.
>
> So, is that an ACK or a NAK for the patch?-)

Doesnt that break down Nick's order-0 dominates-the-world scheme break
down? One of the reasons for doing this was to get the page allocator
performance issues exposed and addressed.

Acked-by: Christoph Lameter <cl@...ux-foundation.org>

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