100 	struct page *shadow, *origin;  member
110  * time - as an origin block. On the third time the incoming block receives its
111  * shadow and origin ranges from the previously saved shadow and origin blocks,
119 	struct page *shadow, *origin;  in kmsan_memblock_free_pages()  local
125 	if (!held_back[order].origin) {  in kmsan_memblock_free_pages()
126 		held_back[order].origin = page;  in kmsan_memblock_free_pages()
130 	origin = held_back[order].origin;  in kmsan_memblock_free_pages()
131 	kmsan_setup_meta(page, shadow, origin, order);  in kmsan_memblock_free_pages()
134 	held_back[order].origin = NULL;  in kmsan_memblock_free_pages()
171 	struct page *page, *shadow, *origin;  in do_collection()  local
176 		origin = smallstack_pop(&collect);  in do_collection()
177 		kmsan_setup_meta(page, shadow, origin, collect.order);  in do_collection()
208 	 *  - push held_back[N].shadow and .origin to @collect;  in kmsan_memblock_discard()
211 	 *    - use two of them as shadow and origin for the third one;  in kmsan_memblock_discard()
221 		if (held_back[i].origin)  in kmsan_memblock_discard()
222 			smallstack_push(&collect, held_back[i].origin);  in kmsan_memblock_discard()
224 		held_back[i].origin = NULL;  in kmsan_memblock_discard()