From: Andrew Morton <akpm@linux-foundation.org>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>,
Qian Cai <quic_qiancai@quicinc.com>,
David Hildenbrand <david@redhat.com>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Ard Biesheuvel <ardb@kernel.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: Arm64 crash while reading memory sysfs
Date: Thu, 27 May 2021 15:56:44 -0700 [thread overview]
Message-ID: <20210527155644.7792b4eaa16ec56645e1080c@linux-foundation.org> (raw)
In-Reply-To: <20210527175047.GK8661@arm.com>
On Thu, 27 May 2021 18:50:48 +0100 Catalin Marinas <catalin.marinas@arm.com> 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@arm.com
> >
> > 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?
next prev parent reply other threads:[~2021-05-27 22:56 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-25 15:25 Arm64 crash while reading memory sysfs Qian Cai (QUIC)
2021-05-25 15:37 ` David Hildenbrand
2021-05-26 6:40 ` Mike Rapoport
2021-05-26 12:09 ` Qian Cai (QUIC)
2021-05-26 13:04 ` Catalin Marinas
2021-05-26 17:25 ` Mike Rapoport
2021-05-26 17:24 ` Mike Rapoport
2021-05-27 0:16 ` Qian Cai
2021-05-27 0:31 ` Andrew Morton
2021-05-27 7:25 ` Stephen Rothwell
2021-05-27 8:56 ` Mike Rapoport
2021-05-27 14:33 ` Qian Cai
2021-05-27 16:22 ` Mike Rapoport
2021-05-27 17:00 ` Qian Cai
2021-05-27 17:12 ` David Hildenbrand
2021-05-27 17:50 ` Catalin Marinas
2021-05-27 22:56 ` Andrew Morton [this message]
2021-05-28 5:13 ` Mike Rapoport
2021-06-08 7:06 ` Anshuman Khandual
2021-06-14 8:25 ` Mike Rapoport
2021-06-15 0:13 ` Andrew Morton
2021-06-15 6:05 ` Mike Rapoport
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