blkg_alloc        255 block/blk-cgroup.c 		new_blkg = blkg_alloc(blkcg, q, GFP_NOWAIT | __GFP_NOWARN);
blkg_alloc        852 block/blk-cgroup.c 		new_blkg = blkg_alloc(pos, q, GFP_KERNEL);
blkg_alloc       1203 block/blk-cgroup.c 	new_blkg = blkg_alloc(&blkcg_root, q, GFP_KERNEL);