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| author | Andrey Konovalov <andreyknvl@google.com> | 2022-09-05 23:05:19 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:02:56 -0700 |
| commit | ccf643e6dacf33ec618bd64e10eb0347173ad482 (patch) | |
| tree | 68dbea643d209a0590ec805e5c705fd70561caa2 /mm/kasan/generic.c | |
| parent | 196894a6e20273d78479bdf76eec3a741e72d31c (diff) | |
| download | linux-ccf643e6dacf33ec618bd64e10eb0347173ad482.tar.gz | |
kasan: split save_alloc_info implementations
Provide standalone implementations of save_alloc_info() for the Generic and tag-based modes. For now, the implementations are the same, but they will diverge later in the series. Link: https://lkml.kernel.org/r/77f1a078489c1e859aedb5403f772e5e1f7410a0.1662411799.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Peter Collingbourne <pcc@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kasan/generic.c')
| -rw-r--r-- | mm/kasan/generic.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c index 03a3770cfeae..98c451a3b01f 100644 --- a/mm/kasan/generic.c +++ b/mm/kasan/generic.c @@ -358,6 +358,15 @@ void kasan_record_aux_stack_noalloc(void *addr) return __kasan_record_aux_stack(addr, false); } +void kasan_save_alloc_info(struct kmem_cache *cache, void *object, gfp_t flags) +{ + struct kasan_alloc_meta *alloc_meta; + + alloc_meta = kasan_get_alloc_meta(cache, object); + if (alloc_meta) + kasan_set_track(&alloc_meta->alloc_track, flags); +} + void kasan_save_free_info(struct kmem_cache *cache, void *object, u8 tag) { |