On Wed, Apr 12, 2023 at 10:18:11AM +0800, Yajun Deng wrote: > The 2nd parameter in __page_set_anon_rmap() is only used by > SetPageAnonExclusive(), so there is no need to put > SetPageAnonExclusive() in __page_set_anon_rmap(). > > Remove SetPageAnonExclusive() from __page_set_anon_rmap() and modify > __page_set_anon_rmap() to __folio_set_anon_rmap(). > > Since __page_check_anon_rmap() needs a folio, we can directly use > and change it to __folio_check_anon_rmap(). I do not think this is an improvement.