From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 28 Jan 2007 15:28:58 +0000 From: Christoph Hellwig Subject: Re: [PATCH] mm: remove global locks from mm/highmem.c Message-ID: <20070128152858.GA23410@infradead.org> References: <1169993494.10987.23.camel@lappy> <20070128144933.GD16552@infradead.org> <20070128151700.GA7644@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070128151700.GA7644@elte.hu> Sender: owner-linux-mm@kvack.org Return-Path: To: Ingo Molnar Cc: Christoph Hellwig , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton List-ID: On Sun, Jan 28, 2007 at 04:17:00PM +0100, Ingo Molnar wrote: > scalability. I did lock profiling on the -rt kernel, which exposes such > things nicely. Half of the lock contention events during kernel compile > were due to kmap(). (The system had 2 GB of RAM, so 40% lowmem, 60% > highmem.) Numbers please, and not on -rt but on mainline. Please show the profiles. > ps. please fix your mailer to not emit Mail-Followup-To headers. In Mutt > you can do this via "set followup_to=no" in your .muttrc. I have told you last time that this is absolutely intentional and I won't change it. -- 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