From: Francisco Jerez <currojerez@riseup.net>
Date: Sun, 4 Jul 2010 02:03:07 +0000 (+0200)
Subject: drm/ttm: Allocate the page pool manager in the heap.
X-Git-Tag: v2.6.35-rc5~15^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5870a4d97da136908ca477e3a21bc9f4c2705161;p=pandora-kernel.git

drm/ttm: Allocate the page pool manager in the heap.

Repeated ttm_page_alloc_init/fini fails noisily because the pool
manager kobj isn't zeroed out between uses (we could do just that but
statically allocated kobjects are generally considered a bad thing).
Move it to kzalloc'ed memory.

Note that this patch drops the refcounting behavior of the pool
allocator init/fini functions: it would have led to a race condition
in its current form, and anyway it was never exploited.

This fixes a regression with reloading kms modules at runtime, since
page allocator was introduced.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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