On Fri, 4 Jul 2025 14:22:11 -0400 Luiz Capitulino <luizcap@xxxxxxxxxx> wrote: > > The patch is simple enough. I'll add fixes:f1a7941243c1 and cc:stable > > and, as the problem has been there for years, I'll leave the patch in > > mm-unstable so it will eventually get into LTS, in a well tested state. > > Andrew, are you considering submitting this patch for 6.16? I think > we should, it does look like a regression for larger systems built > with 64k base page size. I wasn't planning on 6.16-rcX because it's been there for years but sure, I moved it into the mm-hotfixes pile so it'll go Linuswards next week. > On comparing a very simple app which just allocates & touches some > memory against v6.1 (which doesn't have f1a7941243c1) and latest > Linus tree (4c06e63b9203) I can see that on latest Linus tree the > values for VmRSS, RssAnon and RssFile from /proc/self/status are > all zeroes while they do report values on v6.1 and a Linus tree > with this patch. Cool, I'll paste this para into the changelog to help people link this patch with wrong behavior which they are observing.
