From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 4 Oct 2007 02:06:14 -0700 From: Paul Jackson Subject: Re: [PATCH 3/6] cpuset write throttle Message-Id: <20071004020614.6abef068.pj@sgi.com> In-Reply-To: <1191486351.13204.98.camel@twins> References: <469D3342.3080405@google.com> <46E741B1.4030100@google.com> <46E7434F.9040506@google.com> <20070914161517.5ea3847f.akpm@linux-foundation.org> <4702E49D.2030206@google.com> <4703FF89.4000601@google.com> <1191483450.13204.96.camel@twins> <20071004005658.732b96cc.pj@sgi.com> <1191485705.5574.1.camel@lappy> <1191486351.13204.98.camel@twins> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: clameter@sgi.com, solo@google.com, linux-mm@kvack.org, akpm@linux-foundation.org List-ID: Peter wrote: > Ok, still need my morning juice. I read tasklist_lock. > task_lock() should be fine. Ah - ok. I was a little surprised you found task_lock to be unacceptably expensive here ... but didn't know enough to be sure. This makes more sense. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.925.600.0401 -- 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