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Date: Sun, 20 Oct 2013 18:05:21 +0000 From: Christoph Lameter <cl@...ux.com> To: JoonSoo Kim <js1304@...il.com> cc: Joonsoo Kim <iamjoonsoo.kim@....com>, Pekka Enberg <penberg@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, David Rientjes <rientjes@...gle.com>, Linux Memory Management List <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>, Wanpeng Li <liwanp@...ux.vnet.ibm.com> Subject: Re: [PATCH v2 13/15] slab: use struct page for slab management On Sat, 19 Oct 2013, JoonSoo Kim wrote: > I search the history of struct page and find that the SLUB use mapping field > in past (2007 year). At that time, you inserted VM_BUG_ON(PageSlab(page)) > ('b5fab14') into page_mapping() function to find remaining use. Recently, > I never hear that this is triggered and 6 years have passed since inserting > VM_BUG_ON(), so I guess there is no problem to use it. > If this argument is reasonable, please give me an ACK :) > > Thanks. Acked-by: Christoph Lameter <cl@...ux.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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