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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Mar 14, 2024 at 08:59:22AM -0400, Peter Xu wrote: > > > --- a/mm/hmm.c > > > +++ b/mm/hmm.c > > > @@ -429,7 +429,7 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end, > > > return hmm_vma_walk_hole(start, end, -1, walk); > > > } > > > > > > - if (pud_huge(pud) && pud_devmap(pud)) { > > > + if (pud_leaf(pud) && pud_devmap(pud)) { > > > > Didn't previous patch say devmap implies leaf ? Or is it only for GUP ? > > This is an extra safety check that I didn't remove. Devmap used separate > bits even though I'm not clear on why. It should still imply a leaf though. Yes, something is very wrong if devmap is true on non-leaf.. Jason _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel