On Mon, Mar 03, 2025 at 09:03:04PM -0500, Zi Yan wrote: > On 28 Feb 2025, at 12:49, Zi Yan wrote: > > > Pagecache uses multi-index entries for large folio, so does shmem. Only > > swap cache still stores multiple entries for a single large folio. > > Commit fc346d0a70a1 ("mm: migrate high-order folios in swap cache correctly") > > fixed swap cache but got shmem wrong by storing multiple entries for > > a large shmem folio. Fix it by storing a single entry for a shmem > > folio. > > > > Fixes: fc346d0a70a1 ("mm: migrate high-order folios in swap cache correctly") > > Reported-by: Liu Shixin <liushixin2@xxxxxxxxxx> > > Closes: https://lore.kernel.org/all/28546fb4-5210-bf75-16d6-43e1f8646080@xxxxxxxxxx/ > > Signed-off-by: Zi Yan <ziy@xxxxxxxxxx> > > Reviewed-by: Shivank Garg <shivankg@xxxxxxx> > > +Cc:stable > <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>