From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Rubin Subject: Re: [PATCH 3/4] writeback: nr_dirtied and nr_entered_writeback in /proc/vmstat Date: Mon, 23 Aug 2010 10:45:41 -0700 Message-ID: References: <1282296689-25618-1-git-send-email-mrubin@google.com> <1282296689-25618-4-git-send-email-mrubin@google.com> <20100820100855.GC8440@localhost> <20100821004804.GA11030@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Peter Zijlstra , KOSAKI Motohiro , "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , "jack@suse.cz" , "riel@redhat.com" , "akpm@linux-foundation.org" , "david@fromorbit.com" , "npiggin@kernel.dk" , "hch@lst.de" , "axboe@kernel.dk" To: Wu Fengguang Return-path: In-Reply-To: <20100821004804.GA11030@localhost> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org On Fri, Aug 20, 2010 at 5:48 PM, Wu Fengguang wrote: > I wonder if you'll still stick to the fake NUMA scenario two years > later -- when memcg grows powerful enough. What do we do then? "Hey > let's rip these counters, their major consumer has dumped them.." I think the counters will still be useful for NUMA also. Is there a performance hit here I am missing to having the per node counters? Just want to make sure we are only wondering about whether or not we are polluting the interface? Also since we plan to change the name to vmstat instead doesn't that make it more generic in the future? mrubin -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org