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Re: [PATCH] mm, gup: fix typo in gup_p4d_range()

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  Re: [PATCH] mm, gup: fix typo in gup_p4d_range() Geert Uytterhoeven <geert@linux-m68k.org> - 2017-03-14 19:40 +0100

#1600798 — Re: [PATCH] mm, gup: fix typo in gup_p4d_range()

Hi Kirill,

On Mon, Mar 13, 2017 at 6:22 AM, Kirill A. Shutemov
<kirill.shutemov@linux.intel.com> wrote:
> gup_p4d_range() should call gup_pud_range(), not itself.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Reported-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
> Fixes: c2febafc6773 ("mm: convert generic code to 5-level paging")

FTR, this (now commit ce70df089143c493) fixes the strange crashes I saw
with plain v4.11-rc2 and renesas-devel-20170313-v4.11-rc2 during shutdown on
Renesas R-Car Gen2 (arm) and R-Car Gen3 (arm64) (but not on older
SH/R-Mobile), and that I bisected to commit c2febafc6773.

Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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