linux-kernel - [PATCH v7 06/12] mm: slub: share slab_err and object

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Date:	Mon, 24 Nov 2014 21:02:19 +0300
From:	Andrey Ryabinin <a.ryabinin@...sung.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andrey Ryabinin <a.ryabinin@...sung.com>,
	Joe Perches <joe@...ches.com>,
	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: [PATCH v7 06/12] mm: slub: share slab_err and object_err functions

Remove static and add function declarations to mm/slab.h so they
could be used by kernel address sanitizer.

Signed-off-by: Andrey Ryabinin <a.ryabinin@...sung.com>
---
 include/linux/slub_def.h | 5 +++++
 mm/slub.c                | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index c75bc1d..144b5cb 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -115,4 +115,9 @@ static inline void *virt_to_obj(struct kmem_cache *s, void *slab_page, void *x)
 	return x - ((x - slab_page) % s->size);
 }
 
+__printf(3, 4)
+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);
+
 #endif /* _LINUX_SLUB_DEF_H */
diff --git a/mm/slub.c b/mm/slub.c
index 95d2142..0c01584 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -629,14 +629,14 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
 	dump_stack();
 }
 
-static void object_err(struct kmem_cache *s, struct page *page,
+void object_err(struct kmem_cache *s, struct page *page,
 			u8 *object, char *reason)
 {
 	slab_bug(s, "%s", reason);
 	print_trailer(s, page, object);
 }
 
-static void slab_err(struct kmem_cache *s, struct page *page,
+void slab_err(struct kmem_cache *s, struct page *page,
 			const char *fmt, ...)
 {
 	va_list args;
-- 
2.1.3

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