Since SLOB was removed and since commit 6c6c47b063b5 ("mm, slab: call kvfree_rcu_barrier() from kmem_cache_destroy()"), it is not necessary to use call_rcu when the callback only performs kmem_cache_free. Use kfree_rcu() directly. Signed-off-by: Hongling Zeng <zenghongling@xxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 2f24a6a..d047afe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -818,20 +818,6 @@ static bool amdgpu_job_fence_enable_signaling(struct dma_fence *f) return true; } -/** - * amdgpu_fence_free - free up the fence memory - * - * @rcu: RCU callback head - * - * Free up the fence memory after the RCU grace period. - */ -static void amdgpu_fence_free(struct rcu_head *rcu) -{ - struct dma_fence *f = container_of(rcu, struct dma_fence, rcu); - - /* free fence_slab if it's separated fence*/ - kmem_cache_free(amdgpu_fence_slab, to_amdgpu_fence(f)); -} /** * amdgpu_job_fence_free - free up the job with embedded fence @@ -858,7 +844,7 @@ static void amdgpu_job_fence_free(struct rcu_head *rcu) */ static void amdgpu_fence_release(struct dma_fence *f) { - call_rcu(&f->rcu, amdgpu_fence_free); + kfree_rcu(f, rcu); } /** -- 2.1.0