linux-kernel - Re: [patch 105/147] arm64: switch to generic version of pte allocation

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Message-ID: <20190715080346.5hnw3hmc4y3gz6of@willie-the-truck>
Date:   Mon, 15 Jul 2019 09:03:47 +0100
From:   Will Deacon <will@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, Qian Cai <cai@....pw>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        anshuman.khandual@....com,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        aou@...s.berkeley.edu, Arnd Bergmann <arnd@...db.de>,
        Catalin Marinas <catalin.marinas@....com>, deanbo422@...il.com,
        deller@....de, Geert Uytterhoeven <geert@...ux-m68k.org>,
        Greentime Hu <green.hu@...il.com>, Guo Ren <guoren@...nel.org>,
        Guan Xuetao <gxt@....edu.cn>, Ley Foon Tan <lftan@...era.com>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Matt Turner <mattst88@...il.com>,
        Michal Hocko <mhocko@...e.com>, mm-commits@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Palmer Dabbelt <palmer@...ive.com>,
        Paul Burton <paul.burton@...s.com>, ralf@...ux-mips.org,
        Guo Ren <ren_guo@...ky.com>,
        Richard Weinberger <richard@....at>,
        Richard Kuo <rkuo@...eaurora.org>, rppt@...ux.ibm.com,
        sammy@...my.net, Matthew Wilcox <willy@...radead.org>
Subject: Re: [patch 105/147] arm64: switch to generic version of pte
 allocation

On Fri, Jul 12, 2019 at 02:35:42PM -0700, Linus Torvalds wrote:
> On Fri, Jul 12, 2019 at 2:11 PM Andrew Morton <akpm@...ux-foundation.org> wrote:
> >
> > On Fri, 12 Jul 2019 08:49:07 -0400 Qian Cai <cai@....pw> wrote:
> > >
> > > https://lore.kernel.org/linux-mm/20190617151252.GF16810@rapoport-lnx/
> >
> > That's already merged - it went in via the arm64 tree I think.
> 
> No. Only the arch/arm64/include/asm/pgtable.h part got in through the
> arm64 tree (commit 615c48ad8f42: "arm64/mm: don't initialize pgd_cache
> twice").
> 
> The arch/arm64/mm/pgd.c part was missing.

That's right; we split the patch because part of it was a fix for an
existing issue.

> I think I fixed it all up correctly.

Looks good to me, thanks.

Will