[RFC/PATCH v2 05/10] mm: slub: share slab_err and object_err functions

From: Andrey Ryabinin
Date: Wed Sep 10 2014 - 10:40:54 EST


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@xxxxxxxxxxx>
---
mm/slab.h | 5 +++++
mm/slub.c | 4 ++--
2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/mm/slab.h b/mm/slab.h
index 3e3a6ae..87491dd 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -345,6 +345,11 @@ static inline struct kmem_cache_node *get_node(struct kmem_cache *s, int node)

void *slab_next(struct seq_file *m, void *p, loff_t *pos);
void slab_stop(struct seq_file *m, void *p);
+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);
+

static inline void *virt_to_obj(struct kmem_cache *s, void *slab_page, void *x)
{
diff --git a/mm/slub.c b/mm/slub.c
index fa86e58..c4158b2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -639,14 +639,14 @@ 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;
--
1.8.5.5

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