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Date: Sat, 27 Nov 2010 07:24:37 +0900 From: Linus Torvalds <torvalds@...ux-foundation.org> To: Andrea Arcangeli <aarcange@...hat.com> Cc: Mel Gorman <mel@....ul.ie>, linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, Marcelo Tosatti <mtosatti@...hat.com>, Adam Litke <agl@...ibm.com>, Avi Kivity <avi@...hat.com>, Hugh Dickins <hugh.dickins@...cali.co.uk>, Rik van Riel <riel@...hat.com>, Dave Hansen <dave@...ux.vnet.ibm.com>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Ingo Molnar <mingo@...e.hu>, Mike Travis <travis@....com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, Christoph Lameter <cl@...ux-foundation.org>, Chris Wright <chrisw@...s-sol.org>, bpicco@...hat.com, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Balbir Singh <balbir@...ux.vnet.ibm.com>, "Michael S. Tsirkin" <mst@...hat.com>, Peter Zijlstra <peterz@...radead.org>, Johannes Weiner <hannes@...xchg.org>, Daisuke Nishimura <nishimura@....nes.nec.co.jp>, Chris Mason <chris.mason@...cle.com>, Borislav Petkov <bp@...en8.de> Subject: Re: [PATCH 17 of 66] add pmd mangling generic functions On Fri, Nov 26, 2010 at 2:35 AM, Andrea Arcangeli <aarcange@...hat.com> wrote: > On Thu, Nov 18, 2010 at 09:32:36AM -0800, Linus Torvalds wrote: >> I dunno. Those macros are _way_ too big and heavy to be macros or >> inline functions. Why aren't pmdp_splitting_flush() etc just >> functions? > > That's because ptep_clear_flush and everything else in that file named > with ptep_* and doing expensive tlb flushes was a macro. That may be, and you needn't necessarily clean up old use (although that might be nice as a separate thing), but I wish we didn't make what is already messy bigger and messier. Linus -- 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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