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    Subject[PATCH v8 06/12] 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>
    ---
    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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