From: Lucas Stach Date: Tue, 6 Jun 2017 09:17:06 +0200 Subject: drm/etnaviv: don't trigger OOM killer when page allocation fails Git-commit: 6cbf04001ec0eede72a43f297c93586971445128 Patch-mainline: v4.14-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 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 Acked-by: Petr Tesarik --- drivers/gpu/drm/etnaviv/etnaviv_gem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- 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_ * 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)