On Fri, Jun 14, 2024 at 08:49:13AM +0800, Baolin Wang wrote: > * Charge @new as a replacement folio for @old. @old will > - * be uncharged upon free. This is only used by the page cache > - * (in replace_page_cache_folio()). > + * be uncharged upon free. This is used by the page cache > + * and shmem (in replace_page_cache_folio() and > + * shmem_replace_folio()). Please just delete this sentence. Functions do not keep track of who their callers are.