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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-08-26 19:50:55 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-09-03 19:17:58 +0200 |
| commit | 5cfacdedb1a94efd29faeaab53f939554a3f5943 (patch) | |
| tree | 0e100a605856f41a7eb12b3bbd7166704ac45da0 /mm/sparse-vmemmap.c | |
| parent | 1f5d76dbb636c73912c9ff1c90ff46dd2273f098 (diff) | |
drm/i915: Pin pages whilst mapping the dma-buf
As we attempt to kmalloc after calling get_pages, there is a possibility
that the shrinker may reap the pages we just acquired. To prevent this
we need to increment the pages_pin_count early, so rearrange the code
and error paths to make it so.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'mm/sparse-vmemmap.c')
0 files changed, 0 insertions, 0 deletions