From: Chris Wilson Date: Thu, 15 Nov 2012 11:32:21 +0000 (+0000) Subject: drm/i915: Allow objects to be created with no backing pages, but stolen space X-Git-Tag: v3.9-rc1~83^2~40^2~68 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c1ad11fce86405c955873974f58ab305d894be78;p=pandora-kernel.git drm/i915: Allow objects to be created with no backing pages, but stolen space In order to accommodate objects that are not backed by struct pages, but instead point into a contiguous region of stolen space, we need to make various changes to avoid dereferencing obj->pages or obj->base.filp. First introduce a marker for the stolen object, that specifies its offset into the stolen region and implies that it has no backing pages. Signed-off-by: Chris Wilson Reviewed-by: Ben Widawsky Signed-off-by: Daniel Vetter --- Reading git-diff-tree failed