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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?

  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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