96 	struct idr_layer *new;  in idr_layer_alloc()  local
109 	new = kmem_cache_zalloc(idr_layer_cache, gfp_mask | __GFP_NOWARN);  in idr_layer_alloc()
110 	if (new)  in idr_layer_alloc()
111 		return new;  in idr_layer_alloc()
119 		new = __this_cpu_read(idr_preload_head);  in idr_layer_alloc()
120 		if (new) {  in idr_layer_alloc()
121 			__this_cpu_write(idr_preload_head, new->ary[0]);  in idr_layer_alloc()
123 			new->ary[0] = NULL;  in idr_layer_alloc()
126 		if (new)  in idr_layer_alloc()
127 			return new;  in idr_layer_alloc()
195 		struct idr_layer *new;  in __idr_pre_get()  local
196 		new = kmem_cache_zalloc(idr_layer_cache, gfp_mask);  in __idr_pre_get()
197 		if (new == NULL)  in __idr_pre_get()
199 		move_to_free_list(idp, new);  in __idr_pre_get()
224 	struct idr_layer *p, *new;  in sub_alloc()  local
273 			new = idr_layer_alloc(gfp_mask, layer_idr);  in sub_alloc()
274 			if (!new)  in sub_alloc()
276 			new->layer = l-1;  in sub_alloc()
277 			new->prefix = id & idr_layer_prefix_mask(new->layer);  in sub_alloc()
278 			rcu_assign_pointer(p->ary[m], new);  in sub_alloc()
293 	struct idr_layer *p, *new;  in idr_get_empty_slot()  local
322 		if (!(new = idr_layer_alloc(gfp_mask, layer_idr))) {  in idr_get_empty_slot()
328 			for (new = p; p && p != idp->top; new = p) {  in idr_get_empty_slot()
330 				new->ary[0] = NULL;  in idr_get_empty_slot()
331 				new->count = 0;  in idr_get_empty_slot()
332 				bitmap_clear(new->bitmap, 0, IDR_SIZE);  in idr_get_empty_slot()
333 				__move_to_free_list(idp, new);  in idr_get_empty_slot()
338 		new->ary[0] = p;  in idr_get_empty_slot()
339 		new->count = 1;  in idr_get_empty_slot()
340 		new->layer = layers-1;  in idr_get_empty_slot()
341 		new->prefix = id & idr_layer_prefix_mask(new->layer);  in idr_get_empty_slot()
343 			__set_bit(0, new->bitmap);  in idr_get_empty_slot()
344 		p = new;  in idr_get_empty_slot()
414 		struct idr_layer *new;  in idr_preload()  local
417 		new = kmem_cache_zalloc(idr_layer_cache, gfp_mask);  in idr_preload()
419 		if (!new)  in idr_preload()
423 		new->ary[0] = __this_cpu_read(idr_preload_head);  in idr_preload()
424 		__this_cpu_write(idr_preload_head, new);  in idr_preload()