Re: [PATCH] hugetlb: add cond_resched() to __unmap_hugepage_range()
Andrew Morton <[email protected]>
| Newsgroups | gmane.linux.kernel,gmane.linux.kernel.mm |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 18 Aug 2026 20:21:37 +0200 "David Hildenbrand (Arm)" <[email protected]> wrote: > >>> if (!ptep) { > >>> address |= last_addr_mask; > >> > >> As Michal just put it: > >> > >> "PREEMPT_NONE is effectivelly dead and most cond_resched will/should be > >> removed. Is there any reason why you are not using full preemption when > >> requiring low latencies?" > >> > >> https://lore.kernel.org/r/aoRnUxUlgf_kRlm8@tiehlicka > > > > That's pretty bad behavior and we might want to fix it in earlier > > kernels. Is PREEMPT_NONE effectively dead in 6.18.x and its > > existing users? > > > > If yes, we do want to fix older kernels then we should merge this. > > > > Okay, but that would be stable-only fixes? Not understanding. Maybe you refer to adding a patch to -stable but not to -linus? That's against the -stable rules (Documentation/process/stable-kernel-rules.rst).