drm: fix "persistant" typo

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/ttm/ttm_bo.c

@@ -1168,7 +1168,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
 		uint32_t page_alignment,
 		unsigned long buffer_start,
 		bool interruptible,
-		struct file *persistant_swap_storage,
+		struct file *persistent_swap_storage,
 		size_t acc_size,
 		void (*destroy) (struct ttm_buffer_object *))
 {
@@ -1211,7 +1211,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
 	bo->priv_flags = 0;
 	bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
 	bo->seq_valid = false;
-	bo->persistant_swap_storage = persistant_swap_storage;
+	bo->persistent_swap_storage = persistent_swap_storage;
 	bo->acc_size = acc_size;
 	atomic_inc(&bo->glob->bo_count);
 
@@ -1260,7 +1260,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
 			uint32_t page_alignment,
 			unsigned long buffer_start,
 			bool interruptible,
-			struct file *persistant_swap_storage,
+			struct file *persistent_swap_storage,
 			struct ttm_buffer_object **p_bo)
 {
 	struct ttm_buffer_object *bo;
@@ -1282,7 +1282,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
 
 	ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment,
 				buffer_start, interruptible,
-				persistant_swap_storage, acc_size, NULL);
+				persistent_swap_storage, acc_size, NULL);
 	if (likely(ret == 0))
 		*p_bo = bo;
 
@@ -1863,7 +1863,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink)
 	if (bo->bdev->driver->swap_notify)
 		bo->bdev->driver->swap_notify(bo);
 
-	ret = ttm_tt_swapout(bo->ttm, bo->persistant_swap_storage);
+	ret = ttm_tt_swapout(bo->ttm, bo->persistent_swap_storage);
 out:
 
 	/**

drivers/gpu/drm/ttm/ttm_tt.c

@@ -332,7 +332,7 @@ void ttm_tt_destroy(struct ttm_tt *ttm)
 		ttm_tt_free_page_directory(ttm);
 	}
 
-	if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTANT_SWAP) &&
+	if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP) &&
 	    ttm->swap_storage)
 		fput(ttm->swap_storage);
 
@@ -503,7 +503,7 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
 		page_cache_release(from_page);
 	}
 
-	if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTANT_SWAP))
+	if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP))
 		fput(swap_storage);
 	ttm->swap_storage = NULL;
 	ttm->page_flags &= ~TTM_PAGE_FLAG_SWAPPED;
@@ -514,7 +514,7 @@ out_err:
 	return ret;
 }
 
-int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
+int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
 {
 	struct address_space *swap_space;
 	struct file *swap_storage;
@@ -540,7 +540,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
 		return 0;
 	}
 
-	if (!persistant_swap_storage) {
+	if (!persistent_swap_storage) {
 		swap_storage = shmem_file_setup("ttm swap",
 						ttm->num_pages << PAGE_SHIFT,
 						0);
@@ -549,7 +549,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
 			return PTR_ERR(swap_storage);
 		}
 	} else
-		swap_storage = persistant_swap_storage;
+		swap_storage = persistent_swap_storage;
 
 	swap_space = swap_storage->f_path.dentry->d_inode->i_mapping;
 
@@ -577,12 +577,12 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
 	ttm_tt_free_alloced_pages(ttm);
 	ttm->swap_storage = swap_storage;
 	ttm->page_flags |= TTM_PAGE_FLAG_SWAPPED;
-	if (persistant_swap_storage)
-		ttm->page_flags |= TTM_PAGE_FLAG_PERSISTANT_SWAP;
+	if (persistent_swap_storage)
+		ttm->page_flags |= TTM_PAGE_FLAG_PERSISTENT_SWAP;
 
 	return 0;
 out_err:
-	if (!persistant_swap_storage)
+	if (!persistent_swap_storage)
 		fput(swap_storage);
 
 	return ret;