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    Subject[RFC/PATCH v2 05/10] mm: slub: share slab_err and object_err functions
    Date
    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@samsung.com>
    ---
    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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