From: Keith Packard <keithp@keithp.com>
To: "Thomas Hellström" <thomas@tungstengraphics.com>
Cc: keithp@keithp.com, Nick Piggin <npiggin@suse.de>,
"eric@anholt.net" <eric@anholt.net>,
"hugh@veritas.com" <hugh@veritas.com>,
"hch@infradead.org" <hch@infradead.org>,
"airlied@linux.ie" <airlied@linux.ie>,
"jbarnes@virtuousgeek.org" <jbarnes@virtuousgeek.org>,
"dri-devel@lists.sourceforge.net"
<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: Thu, 25 Sep 2008 07:38:07 -0700 [thread overview]
Message-ID: <1222353487.4343.205.camel@koto.keithp.com> (raw)
In-Reply-To: <48DB3B88.7080609@tungstengraphics.com>
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On Thu, 2008-09-25 at 00:19 -0700, Thomas Hellström wrote:
> If data is
> dirtied in VRAM or the page(s) got discarded
> we need new pages and to set up a copy operation.
Note that this can occur as a result of a suspend-to-memory transition
at which point *all* of the objects in VRAM will need to be preserved in
main memory, and so the pages aren't really 'freed', they just don't
need to have valid contents, but the system should be aware that the
space may be needed at some point in the future.
--
keith.packard@intel.com
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next prev parent reply other threads:[~2008-09-25 14:38 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
2008-09-25 0:18 ` Nick Piggin
2008-09-25 7:19 ` Thomas Hellström
2008-09-25 14:38 ` Keith Packard [this message]
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
-- strict thread matches above, loose matches on Subject: below --
2008-09-23 9:10 Nick Piggin
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