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Subject: Re: [PATCH v5 04/17] mm: Switch s_mem and slab_cache in struct page
References: <20180504183318.14415-1-willy@infradead.org>
 <20180504183318.14415-5-willy@infradead.org>
From: Vlastimil Babka <vbabka@suse.cz>
Message-ID: <7b9bcc8b-b07e-b037-61a1-884b1d302ce5@suse.cz>
Date: Mon, 14 May 2018 16:37:52 +0200
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To: Matthew Wilcox <willy@infradead.org>, linux-mm@kvack.org
Cc: Matthew Wilcox <mawilcox@microsoft.com>, Andrew Morton <akpm@linux-foundation.org>, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>, Christoph Lameter <cl@linux.com>, Lai Jiangshan <jiangshanlai@gmail.com>, Pekka Enberg <penberg@kernel.org>, Dave Hansen <dave.hansen@linux.intel.com>, =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>

On 05/04/2018 08:33 PM, Matthew Wilcox wrote:
> From: Matthew Wilcox <mawilcox@microsoft.com>
> 
> 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.
> 
> Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>

Acked-by: Vlastimil Babka <vbabka@suse.cz>