On Thu, May 27, 2021 at 03:56:44PM -0700, Andrew Morton wrote: > On Thu, 27 May 2021 18:50:48 +0100 Catalin Marinas <catalin.marinas@xxxxxxx> wrote: > > > > Can you please try Anshuman's patch "arm64/mm: Drop HAVE_ARCH_PFN_VALID": > > > > > > https://lore.kernel.org/lkml/1621947349-25421-1-git-send-email-anshuman.khandual@xxxxxxx > > > > > > It seems to me that the check for memblock_is_memory() in > > > arm64::pfn_valid() is what makes init_unavailable_range() to bail out for > > > section parts that are not actually populated and then we have > > > VM_BUG_ON_PAGE(PagePoisoned(p)) for these pages. > > > > I acked Anshuman's patch, I think they all need to go in together. > > That's neat. Specifically which patches are we referring to here? arm64: drop pfn_valid_within() and simplify pfn_valid(): https://lore.kernel.org/lkml/20210511100550.28178-5-rppt@xxxxxxxxxx arm64/mm: Drop HAVE_ARCH_PFN_VALID: https://lore.kernel.org/lkml/1621947349-25421-1-git-send-email-anshuman.khandual@xxxxxxx -- Sincerely yours, Mike.
