linux-kernel - Re: [PATCH v5 07/12] mm: slub: share slab_err and object

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Message-ID: <1414429203.8884.12.camel@perches.com>
Date:	Mon, 27 Oct 2014 10:00:03 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrey Ryabinin <a.ryabinin@...sung.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Konstantin Serebryany <kcc@...gle.com>,
	Dmitry Chernenkov <dmitryc@...gle.com>,
	Andrey Konovalov <adech.fo@...il.com>,
	Yuri Gribov <tetra2005@...il.com>,
	Konstantin Khlebnikov <koct9i@...il.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	Christoph Lameter <cl@...ux.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Dave Hansen <dave.hansen@...el.com>,
	Andi Kleen <andi@...stfloor.org>,
	Vegard Nossum <vegard.nossum@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>, Dave Jones <davej@...hat.com>,
	x86@...nel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH v5 07/12] mm: slub: share slab_err and object_err
 functions

On Mon, 2014-10-27 at 19:46 +0300, Andrey Ryabinin wrote:
> Remove static and add function declarations to mm/slab.h so they
> could be used by kernel address sanitizer.
[]
> diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
[]
> @@ -115,4 +115,8 @@ static inline void *virt_to_obj(struct kmem_cache *s, void *slab_page, void *x)
[]
> +void slab_err(struct kmem_cache *s, struct page *page, const char *fmt, ...);
> +void object_err(struct kmem_cache *s, struct page *page,
> +		u8 *object, char *reason);

Please add __printf(3, 4) to have the compiler catch
format and argument mismatches.

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