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Date: Tue, 9 Sep 2008 13:04:08 +0100 (BST)
From: Hugh Dickins <hugh@...itas.com>
To: "H. Peter Anvin" <hpa@...or.com>
cc: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Keiichiro Tokunaga <tokunaga.keiich@...fujitsu.com>,
Christoph Lameter <cl@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: ifdef Quicklists in /proc/meminfo
On Mon, 8 Sep 2008, H. Peter Anvin wrote:
>
> x86 *does* use quicklists, at least with PAE.
Are you harking back to the good old days of 2.6.24?
Or looking ahead to a bright new future?
There was a defect, in the TLB flushing sequence IIRC,
which got them kicked out in a hurry. They might return
- but I think everybody would prefer to have a better way
of applying the existing allocators than this extra pool.
Hugh
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