Messages in this thread | | | Date | Fri, 7 Jan 2022 22:11:20 +0000 | From | Matthew Wilcox <> | Subject | Re: [PATCH] mm: remove offset check on page->compound_head and folio->lru |
| |
On Fri, Jan 07, 2022 at 01:40:59PM +0000, Wei Yang wrote: > On Fri, Jan 07, 2022 at 03:59:01AM +0000, Matthew Wilcox wrote: > >On Thu, Jan 06, 2022 at 11:52:54PM +0000, Wei Yang wrote: > >> FOLIO_MATCH() is used to make sure struct page and folio has identical > >> layout for the first several words. > >> > >> The comparison of offset between page->compound_head and folio->lru is > >> more like an internal check in struct page. > >> > >> This patch just removes it. > >> > >> Signed-off-by: Wei Yang <richard.weiyang@gmail.com> > > > >No. > > Hi, Matthew > > Would you mind sharing some insight on this check?
It's right there in the comments. If you can't be bothered to read, why should I write?
| |