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Date: Thu, 20 Nov 2014 14:06:53 -0600 (CST) From: Christoph Lameter <cl@...ux.com> To: "Kirill A. Shutemov" <kirill@...temov.name> cc: Jerome Marchand <jmarchan@...hat.com>, "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>, Andrew Morton <akpm@...ux-foundation.org>, Andrea Arcangeli <aarcange@...hat.com>, Dave Hansen <dave.hansen@...el.com>, Hugh Dickins <hughd@...gle.com>, Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...hat.com>, Vlastimil Babka <vbabka@...e.cz>, Naoya Horiguchi <n-horiguchi@...jp.nec.com>, Steve Capper <steve.capper@...aro.org>, "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>, Johannes Weiner <hannes@...xchg.org>, Michal Hocko <mhocko@...e.cz>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: [PATCH 06/19] mm: store mapcount for compound page separate On Wed, 19 Nov 2014, Kirill A. Shutemov wrote: > I don't think we want to bloat struct page description: nobody outside of > helpers should use it direcly. And it's exactly what we did to store > compound page destructor and compound page order. This is more like a description what overloading is occurring. Either add the new way of using it there including a comment explainng things or please do not overload the field. -- 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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