atomisp: use get_user_pages_fast() (e1a58a54) · Commits · e / devices / android_kernel_teracube_emerald

drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -1029,10 +1029,8 @@ static int alloc_user_pages(struct hmm_buffer_object *bo,
		} else {
		/Handle frame buffer allocated in user space/
		mutex_unlock(&bo->mutex);
		down_read(&current->mm->mmap_sem);
		page_nr = get_user_pages((unsigned long)userptr,
		(int)(bo->pgnr), 1, pages, NULL);
		up_read(&current->mm->mmap_sem);
		page_nr = get_user_pages_fast((unsigned long)userptr,
		(int)(bo->pgnr), 1, pages);
		mutex_lock(&bo->mutex);
		bo->mem_type = HMM_BO_MEM_TYPE_USER;
		}