linux-kernel - Re: [PATCHv2] mm: Fix warning in move_normal

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Date:   Wed, 15 Jul 2020 14:43:00 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Joel Fernandes <joel@...lfernandes.org>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux-MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        William Kucharski <william.kucharski@...cle.com>
Subject: Re: [PATCHv2] mm: Fix warning in move_normal_pmd()

On Wed, Jul 15, 2020 at 2:31 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> Naresh - don't test that version. The bugs Joel found just make the
> math wrong, so it won't work.

Here's a new version with the thing that Joel and Kirill both noticed
hopefully fixed.

But I probably screwed it up again. I guess I should test it, but I
don't have any really relevant environment (the plain mremap() case
should have shown the obvious bugs, though, so that's just an excuse
for my laziness)

            Linus

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