linux-kernel - Re: [PATCH 14/16] mm: move the powerpc hugepd code to mm/gup.c

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Date:   Wed, 26 Jun 2019 07:49:34 +0200
From:   Christoph Hellwig <hch@....de>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Christoph Hellwig <hch@....de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        "David S. Miller" <davem@...emloft.net>,
        Nicholas Piggin <npiggin@...il.com>,
        Khalid Aziz <khalid.aziz@...cle.com>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-mips@...r.kernel.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-mm@...ck.org, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 14/16] mm: move the powerpc hugepd code to mm/gup.c

On Tue, Jun 25, 2019 at 12:37:57PM -0700, Andrew Morton wrote:
> On Tue, 25 Jun 2019 16:37:13 +0200 Christoph Hellwig <hch@....de> wrote:
> 
> > +static int gup_huge_pd(hugepd_t hugepd
> 
> Naming nitlet: we have hugepd and we also have huge_pd.  We have
> hugepte and we also have huge_pte.  It make things a bit hard to
> remember and it would be nice to make it all consistent sometime.
> 
> We're consistent with huge_pud and almost consistent with huge_pmd.
> 
> To be fully consistent I guess we should make all of them have the
> underscore.  Or not have it.  

Either way is fine with me.  Feel free to fix up per your preference.