From: Christoph Lameter <cl@linux-foundation.org>
To: Jerome Glisse <glisse@freedesktop.org>
Cc: "Thomas Hellström" <thomas@tungstengraphics.com>,
"Nick Piggin" <npiggin@suse.de>,
keith.packard@intel.com, eric@anholt.net, hugh@veritas.com,
hch@infradead.org, airlied@linux.ie, jbarnes@virtuousgeek.org,
dri-devel@lists.sourceforge.net,
"Linux Memory Management List" <linux-mm@kvack.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: [patch] mm: pageable memory allocator (for DRM-GEM?)
Date: Tue, 23 Sep 2008 08:18:43 -0500 [thread overview]
Message-ID: <48D8ECB3.8070109@linux-foundation.org> (raw)
In-Reply-To: <20080923133137.c9e1f171.glisse@freedesktop.org>
Jerome Glisse wrote:
>
> Also what about a uncached page allocator ? As some drivers might need
> them, there is no number but i think their was some concern that changing
> PAT too often might be costly and that we would better have a poll of
> such pages.
IA64 has an uncached allocator. See arch/ia64/include/asm/incached.h and
arch/ia64/kernel/uncached.c. Probably not exactly what you want but its a
starting point.
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next prev parent reply other threads:[~2008-09-23 13:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-23 9:10 Nick Piggin
2008-09-23 10:21 ` Thomas Hellström
2008-09-23 11:31 ` Jerome Glisse
2008-09-23 13:18 ` Christoph Lameter [this message]
2008-09-25 0:18 ` Nick Piggin
2008-09-25 7:19 ` Thomas Hellström
2008-09-25 14:38 ` Keith Packard
2008-09-25 15:39 ` Thomas Hellström
2008-09-25 22:41 ` Dave Airlie
2008-09-23 15:50 ` Keith Packard
2008-09-23 18:29 ` Jerome Glisse
2008-09-25 0:30 ` Nick Piggin
2008-09-25 1:20 ` Keith Packard
2008-09-25 2:30 ` Nick Piggin
2008-09-25 2:43 ` Keith Packard
2008-09-25 3:07 ` Nick Piggin
2008-09-25 6:16 ` Keith Packard
2008-09-25 8:45 ` KAMEZAWA Hiroyuki
2008-09-30 1:10 ` Eric Anholt
2008-10-02 17:15 ` Jesse Barnes
2008-10-03 5:17 ` Keith Packard
2008-10-03 6:40 ` Nick Piggin
2008-09-23 9:10 Nick Piggin
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