On Tue, Jun 1, 2021 at 1:23 PM <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > > The patch titled > Subject: mm: improve mprotect(R|W) efficiency on pages referenced once > has been added to the -mm tree. Its filename is > mm-improve-mprotectrw-efficiency-on-pages-referenced-once-v5.patch > > This patch should soon appear at > https://ozlabs.org/~akpm/mmots/broken-out/mm-improve-mprotectrw-efficiency-on-pages-referenced-once-v5.patch > and later at > https://ozlabs.org/~akpm/mmotm/broken-out/mm-improve-mprotectrw-efficiency-on-pages-referenced-once-v5.patch > > Before you just go and hit "reply", please: > a) Consider who else should be cc'ed > b) Prefer to cc a suitable mailing list as well > c) Ideally: find the original patch on the mailing list and do a > reply-to-all to that, adding suitable additional cc's > > *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** > > The -mm tree is included into linux-next and is updated > there every 3-4 working days > > ------------------------------------------------------ > From: Peter Collingbourne <pcc@xxxxxxxxxx> > Subject: mm: improve mprotect(R|W) efficiency on pages referenced once > > add comments, prohibit optimization for NUMA pages Hi Andrew, I was wondering why this was added as a separate patch instead of being combined into the previous one. It seems like combining the patches will be less likely to cause issues in the future (e.g. someone cherry-picks the v4 patch but not the v4->v5 patch and ends up breaking NUMA). Peter