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| author | Lucas Stach <dev@lynxeye.de> | 2017-06-06 09:17:06 +0200 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-07-03 10:54:52 +0200 |
| commit | 6cbf04001ec0eede72a43f297c93586971445128 (patch) | |
| tree | 255e93e717a0a14f05626a0ef8556de94df5e8ab /drivers/gpu/drm/etnaviv/etnaviv_gem.c | |
| parent | 12d016626f99f48edbf5b006625b4e8c0de1eec7 (diff) | |
| download | op-kernel-dev-6cbf04001ec0eede72a43f297c93586971445128.zip op-kernel-dev-6cbf04001ec0eede72a43f297c93586971445128.tar.gz | |
drm/etnaviv: don't trigger OOM killer when page allocation fails
GPU buffers can be quite large, so userspace is expected to deal with
allocation failure. Don't trigger the OOM killer when page allocation for
the GEM objects fails, as this opens an easy possiblity for unprivileged
applications to DOS the system,a s the shmem pages are not fully accounted
to the allocating process.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gem.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 9a3bea7..b7541a4 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -662,7 +662,8 @@ static struct drm_gem_object *__etnaviv_gem_new(struct drm_device *dev, * going to pin these pages. */ mapping = obj->filp->f_mapping; - mapping_set_gfp_mask(mapping, GFP_HIGHUSER); + mapping_set_gfp_mask(mapping, GFP_HIGHUSER | + __GFP_NORETRY | __GFP_NOWARN); } if (ret) |
