linux-kernel - Re: [PATCH 2/2] mm: create a separate slab for page->ptl allocation

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Message-ID: <CAMuHMdV33zBfsztXGsSv5YO+r4c2Fxh+0tH7togtS7EjdhDXeA@mail.gmail.com>
Date:	Sat, 16 Nov 2013 21:43:32 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux MM <linux-mm@...ck.org>
Subject: Re: [PATCH 2/2] mm: create a separate slab for page->ptl allocation

On Thu, Nov 7, 2013 at 3:14 PM, Kirill A. Shutemov
<kirill.shutemov@...ux.intel.com> wrote:
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h

> +static inline void pgtable_init(void)
> +{
> +       ptlock_cache_init();
> +       pgtable_cache_init();
> +}

sparc64defconfig:

include/linux/mm.h:1391:2: error: implicit declaration of function
'pgtable_cache_init' [-Werror=implicit-function-declaration]
arch/sparc/include/asm/pgtable_64.h:978:13: error: conflicting types
for 'pgtable_cache_init' [-Werror]

http://kisskb.ellerman.id.au/kisskb/buildresult/10040274/

Has this been in -next?

Probably it needs <asm/pgtable.h>.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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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