Re: [PATCH] mm/gup: fix always draining LRU caches in collect_longterm_unpinnable_folios()
Andrew Morton <[email protected]>
| Newsgroups | org.kvack.linux-mm,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
On Sat, 1 Aug 2026 11:49:39 -0700 (PDT) Hugh Dickins <[email protected]> wrote: > > Found by code inspection. If someone has a testcase that can easily > > trigger this and result in migration problems, please test! But this > > change seems to be "obvious the right thing to do". > > Sorry, I don't (as perhaps is too obvious). And I'm a wee bit afraid > that some of the problems which those changes happened to succeed in > fixing, might now reappear once the drains are finely targeted. > > Am I arguing for a delay before advancing to stable? Perhaps, but > I think not: it's probably best to get that working as intended, > then deal with any fallout if it arises: just be on guard. This patch is in mm-new, so it's still some months away from -stable eligibility.