From: Eric Anholt <eric@anholt.net>
Date: Sun, 22 Nov 2009 02:49:37 +0000 (+0100)
Subject: drm/i915: Replace a calloc followed by copying data over it with malloc.
X-Git-Tag: v2.6.33-rc1~323^2~5^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8e0f93a381d1d76135e567f13a4418fce66fd95;p=pandora-kernel.git

drm/i915: Replace a calloc followed by copying data over it with malloc.

Execbufs involve quite a bit of payload, to the extent that cache misses
show up in the profiles here, and a suspicion that some of those cachelines
may get evicted and then reloaded in the subsequent copy.

This is still abstracted like drm_calloc_large since we want to check for
size overflow, and because we want to choose between kmalloc and vmalloc
on the fly.  cairo's interface for malloc-with-calloc's-args was used as
the model.

Signed-off-by: Eric Anholt <eric@anholt.net>
---

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