replace_page_cache_page  834 fs/fuse/dev.c  	err = replace_page_cache_page(oldpage, newpage, GFP_KERNEL);
replace_page_cache_page  613 include/linux/pagemap.h int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask);
replace_page_cache_page  848 mm/filemap.c   EXPORT_SYMBOL_GPL(replace_page_cache_page);