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Date: Mon, 7 May 2018 09:58:51 -0500 (CDT)
From: Christopher Lameter <cl@linux.com>
Subject: Re: [PATCH v5 04/17] mm: Switch s_mem and slab_cache in struct
 page
In-Reply-To: <20180504183318.14415-5-willy@infradead.org>
Message-ID: <alpine.DEB.2.21.1805070958130.23585@nuc-kabylake>
References: <20180504183318.14415-1-willy@infradead.org> <20180504183318.14415-5-willy@infradead.org>
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To: Matthew Wilcox <willy@infradead.org>
Cc: linux-mm@kvack.org, Matthew Wilcox <mawilcox@microsoft.com>, Andrew Morton <akpm@linux-foundation.org>, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>, Lai Jiangshan <jiangshanlai@gmail.com>, Pekka Enberg <penberg@kernel.org>, Vlastimil Babka <vbabka@suse.cz>, Dave Hansen <dave.hansen@linux.intel.com>, =?ISO-8859-15?Q?J=E9r=F4me_Glisse?= <jglisse@redhat.com>

On Fri, 4 May 2018, Matthew Wilcox wrote:

> This will allow us to store slub's counters in the same bits as slab's
> s_mem.  slub now needs to set page->mapping to NULL as it frees the page,
> just like slab does.

Acked-by: Christoph Lameter <cl@linux.com>