849 	u8 *src, *dst;  in zswap_writeback_entry()  local
889 		src = (u8 *)zhdr + sizeof(struct zswap_header);  in zswap_writeback_entry()
892 		ret = crypto_comp_decompress(tfm, src, entry->length,  in zswap_writeback_entry()
997 	u8 *src, *dst;  in zswap_frontswap_store()  local
1040 		src = kmap_atomic(page);  in zswap_frontswap_store()
1041 		if (zswap_is_page_same_filled(src, &value)) {  in zswap_frontswap_store()
1042 			kunmap_atomic(src);  in zswap_frontswap_store()
1049 		kunmap_atomic(src);  in zswap_frontswap_store()
1062 	src = kmap_atomic(page);  in zswap_frontswap_store()
1063 	ret = crypto_comp_compress(tfm, src, PAGE_SIZE, dst, &dlen);  in zswap_frontswap_store()
1064 	kunmap_atomic(src);  in zswap_frontswap_store()
1135 	u8 *src, *dst;  in zswap_frontswap_load()  local
1158 	src = zpool_map_handle(entry->pool->zpool, entry->handle, ZPOOL_MM_RO);  in zswap_frontswap_load()
1160 		src += sizeof(struct zswap_header);  in zswap_frontswap_load()
1163 	ret = crypto_comp_decompress(tfm, src, entry->length, dst, &dlen);  in zswap_frontswap_load()