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From: Naresh Kamboju <naresh.kamboju@linaro.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
	Joel Fernandes <joel@joelfernandes.org>,
	 "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	 Linux-MM <linux-mm@kvack.org>,
	 Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	 William Kucharski <william.kucharski@oracle.com>
Subject: Re: [PATCHv2] mm: Fix warning in move_normal_pmd()
Date: Thu, 16 Jul 2020 14:02:27 +0530	[thread overview]
Message-ID: <CA+G9fYuQ2Jm6TAF_jiQQdCxDhEkCLs+EjT_KDzmYjSfz8p7+Gg@mail.gmail.com> (raw)
In-Reply-To: <CAHk-=wjw2yuQjP1rqB=ocr9W3=ak+6h4XygoFTAgM5meiM1Q0A@mail.gmail.com>

On Thu, 16 Jul 2020 at 04:49, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Wed, Jul 15, 2020 at 4:04 PM Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >
> > It *might* be as simple as this incremental thing on top
>
> No, it needs to be
>
> +       if (*old_addr + *len < old->vm_end)
> +               return;
>
> in try_to_align_end(), of course.

I have modified the patch with the above change.
Sorry the proposed patch [1] did not solve the reported problem.

Link to warning on i386,
https://lkft.validation.linaro.org/scheduler/job/1574295#L2055

Link to the patch which applied on top of Linus master and tested.
[1] https://pastebin.com/2gTxi3pj

I am happy to test the next version patch.

- Naresh


  parent reply	other threads:[~2020-07-16  8:32 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-15 13:50 Kirill A. Shutemov
2020-07-15 18:36 ` Linus Torvalds
2020-07-15 20:54   ` Joel Fernandes
2020-07-15 21:13     ` Kirill A. Shutemov
2020-07-15 21:31     ` Linus Torvalds
2020-07-15 21:43       ` Linus Torvalds
2020-07-15 22:22         ` Kirill A. Shutemov
2020-07-15 22:36           ` Linus Torvalds
2020-07-15 22:57           ` Linus Torvalds
2020-07-15 23:04             ` Linus Torvalds
2020-07-15 23:18               ` Linus Torvalds
2020-07-16  6:37                 ` Naresh Kamboju
2020-07-16  7:23                   ` Naresh Kamboju
2020-07-16  8:46                     ` Kirill A. Shutemov
2020-07-16  8:32                 ` Naresh Kamboju [this message]
2020-07-16 13:16                 ` Kirill A. Shutemov
2020-07-16 17:54                   ` Linus Torvalds
2020-07-16 18:47                     ` Joel Fernandes
2020-07-15 20:55   ` Kirill A. Shutemov
2020-07-15 21:35     ` Linus Torvalds
2020-07-15 21:51       ` Linus Torvalds

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