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    SubjectRe: [PATCH 1/5] kasan: Remove duplicate of kasan_flag_async
    On Mon, Sep 13, 2021 at 10:14 AM Vincenzo Frascino
    <vincenzo.frascino@arm.com> wrote:
    >
    > After merging async mode for KASAN_HW_TAGS a duplicate of the
    > kasan_flag_async flag was left erroneously inside the code.
    >
    > Remove the duplicate.
    >
    > Note: This change does not bring functional changes to the code
    > base.
    >
    > Cc: Dmitry Vyukov <dvyukov@google.com>
    > Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
    > Cc: Alexander Potapenko <glider@google.com>
    > Cc: Marco Elver <elver@google.com>
    > Cc: Evgenii Stepanov <eugenis@google.com>
    > Cc: Andrey Konovalov <andreyknvl@gmail.com>
    > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
    > ---
    > mm/kasan/kasan.h | 2 --
    > 1 file changed, 2 deletions(-)
    >
    > diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
    > index 8bf568a80eb8..3639e7c8bb98 100644
    > --- a/mm/kasan/kasan.h
    > +++ b/mm/kasan/kasan.h
    > @@ -38,8 +38,6 @@ static inline bool kasan_async_mode_enabled(void)
    >
    > #endif
    >
    > -extern bool kasan_flag_async __ro_after_init;
    > -
    > #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
    > #define KASAN_GRANULE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
    > #else
    > --
    > 2.33.0
    >

    Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>

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