Commits
Chris Wilson committed fb8621d3bee
drm/i915: Avoid allocating a vmap arena for a single page If we want a contiguous mapping of a single page sized object, we can forgo using vmap() and just use a regular kmap(). Note that this is only suitable if the desired pgprot_t is compatible. v2: Use is_vmalloc_addr() Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Cc: Dave Gordon <david.s.gordon@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1460113874-17366-7-git-send-email-chris@chris-wilson.co.uk Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>