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Date: Wed, 10 Sep 2014 11:16:37 -0500 (CDT)
From: Christoph Lameter <cl@linux.com>
Subject: Re: [RFC/PATCH v2 04/10] mm: slub: introduce virt_to_obj function.
In-Reply-To: <1410359487-31938-5-git-send-email-a.ryabinin@samsung.com>
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References: <1404905415-9046-1-git-send-email-a.ryabinin@samsung.com> <1410359487-31938-1-git-send-email-a.ryabinin@samsung.com> <1410359487-31938-5-git-send-email-a.ryabinin@samsung.com>
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To: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: linux-kernel@vger.kernel.org, Dmitry Vyukov <dvyukov@google.com>, Konstantin Serebryany <kcc@google.com>, Dmitry Chernenkov <dmitryc@google.com>, Andrey Konovalov <adech.fo@gmail.com>, Yuri Gribov <tetra2005@gmail.com>, Konstantin Khlebnikov <koct9i@gmail.com>, Sasha Levin <sasha.levin@oracle.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Andrew Morton <akpm@linux-foundation.org>, Dave Hansen <dave.hansen@intel.com>, Andi Kleen <andi@firstfloor.org>, Vegard Nossum <vegard.nossum@gmail.com>, "H. Peter Anvin" <hpa@zytor.com>, x86@kernel.org, linux-mm@kvack.org, Pekka Enberg <penberg@kernel.org>, David Rientjes <rientjes@google.com>

On Wed, 10 Sep 2014, Andrey Ryabinin wrote:

> virt_to_obj takes kmem_cache address, address of slab page,
> address x pointing somewhere inside slab object,
> and returns address of the begging of object.

This function is SLUB specific. Does it really need to be in slab.h?

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