read_or_alloc_page 563 fs/cachefiles/interface.c .read_or_alloc_page = cachefiles_read_or_alloc_page, read_or_alloc_page 505 fs/fscache/page.c ret = object->cache->ops->read_or_alloc_page(op, page, gfp); read_or_alloc_page 281 include/linux/fscache-cache.h fscache_page_retrieval_func_t read_or_alloc_page;