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Date:   Thu, 17 Sep 2020 18:06:11 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Andrey Konovalov <andreyknvl@google.com>
Cc:     Dmitry Vyukov <dvyukov@google.com>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        kasan-dev@googlegroups.com,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Alexander Potapenko <glider@google.com>,
        Marco Elver <elver@google.com>,
        Evgenii Stepanov <eugenis@google.com>,
        Elena Petrova <lenaptr@google.com>,
        Branislav Rankov <Branislav.Rankov@arm.com>,
        Kevin Brodsky <kevin.brodsky@arm.com>,
        Will Deacon <will.deacon@arm.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 29/37] arm64: kasan: Align allocations for HW_TAGS
Message-ID: <20200917170611.GP10662@gaia>
References: <cover.1600204505.git.andreyknvl@google.com>
 <0845668a82ddd3eeb3f652712597ffd056f97504.1600204505.git.andreyknvl@google.com>
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On Tue, Sep 15, 2020 at 11:16:11PM +0200, Andrey Konovalov wrote:
> Hardware tag-based KASAN uses the memory tagging approach, which requires
> all allocations to be aligned to the memory granule size. Align the
> allocations to MTE_GRANULE_SIZE via ARCH_SLAB_MINALIGN when
> CONFIG_KASAN_HW_TAGS is enabled.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>