lkml.org 
[lkml]   [2020]   [Oct]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    Subject[PATCH RFC v2 03/21] kasan: introduce set_alloc_info
    From
    Add set_alloc_info() helper and move kasan_set_track() into it. This will
    simplify the code for one of the upcoming changes.

    No functional changes.

    Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
    Link: https://linux-review.googlesource.com/id/I0316193cbb4ecc9b87b7c2eee0dd79f8ec908c1a
    ---
    mm/kasan/common.c | 7 ++++++-
    1 file changed, 6 insertions(+), 1 deletion(-)

    diff --git a/mm/kasan/common.c b/mm/kasan/common.c
    index 8fd04415d8f4..a880e5a547ed 100644
    --- a/mm/kasan/common.c
    +++ b/mm/kasan/common.c
    @@ -318,6 +318,11 @@ bool kasan_slab_free(struct kmem_cache *cache, void *object, unsigned long ip)
    return __kasan_slab_free(cache, object, ip, true);
    }

    +static void set_alloc_info(struct kmem_cache *cache, void *object, gfp_t flags)
    +{
    + kasan_set_track(&kasan_get_alloc_meta(cache, object)->alloc_track, flags);
    +}
    +
    static void *__kasan_kmalloc(struct kmem_cache *cache, const void *object,
    size_t size, gfp_t flags, bool keep_tag)
    {
    @@ -345,7 +350,7 @@ static void *__kasan_kmalloc(struct kmem_cache *cache, const void *object,
    KASAN_KMALLOC_REDZONE);

    if (cache->flags & SLAB_KASAN)
    - kasan_set_track(&kasan_get_alloc_meta(cache, object)->alloc_track, flags);
    + set_alloc_info(cache, (void *)object, flags);

    return set_tag(object, tag);
    }
    --
    2.29.0.rc1.297.gfa9743e501-goog
    \
     
     \ /
      Last update: 2020-10-22 15:20    [W:7.754 / U:0.032 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site