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Subject: Re: [PATCH v10 5/5] kasan debug: track pages allocated for vmalloc
 shadow
To:     Daniel Axtens <dja@axtens.net>, kasan-dev@googlegroups.com,
        linux-mm@kvack.org, x86@kernel.org, glider@google.com,
        luto@kernel.org, linux-kernel@vger.kernel.org,
        mark.rutland@arm.com, dvyukov@google.com, christophe.leroy@c-s.fr
Cc:     linuxppc-dev@lists.ozlabs.org, gor@linux.ibm.com,
        Andrew Morton <akpm@linux-foundation.org>
References: <20191029042059.28541-1-dja@axtens.net>
 <20191029042059.28541-6-dja@axtens.net>
From:   Andrey Ryabinin <aryabinin@virtuozzo.com>
Message-ID: <79d1efdc-5f11-1c20-9906-0f3cdcd60c20@virtuozzo.com>
Date:   Tue, 29 Oct 2019 20:34:50 +0300
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On 10/29/19 7:20 AM, Daniel Axtens wrote:
> Provide the current number of vmalloc shadow pages in
> /sys/kernel/debug/kasan/vmalloc_shadow_pages.
> 

I wouldn't merge this. I don't see use-case for this, besides
testing this patch set. And I think that number should be possible to
extract via page_owner mechanism.