From mboxrd@z Thu Jan 1 00:00:00 1970 From: Con Kolivas Subject: Re: Rising io_load results Re: 2.5.63-mm1 Date: Fri, 28 Feb 2003 11:28:06 +1100 References: <20030227025900.1205425a.akpm@digeo.com> <200302281056.45501.kernel@kolivas.org> <20030227160656.40ebeb93.akpm@digeo.com> In-Reply-To: <20030227160656.40ebeb93.akpm@digeo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200302281128.06840.kernel@kolivas.org> Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: dmccr@us.ibm.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Fri, 28 Feb 2003 11:06 am, Andrew Morton wrote: > Con Kolivas wrote: > > On Fri, 28 Feb 2003 09:01 am, Dave McCracken wrote: > > > --On Thursday, February 27, 2003 13:44:03 -0800 Andrew Morton > > > > > > wrote: > > > >> ... > > > >> Mapped: 4294923652 kB > > > > > > > > Well that's gotta hurt. This metric is used in making writeback > > > > decisions. Probably the objrmap patch. > > > > > > Oops. You're right. Here's a patch to fix it. > > > > Thanks. > > > > This looks better after a run: > > > > MemTotal: 256156 kB > > ... > > Mapped: 4546752 kB > > No, it is still wrong. Mapped cannot exceed MemTotal. Hmm a few more runs and io_load starts rising again and this is the meminfo in the middle of a run: MemTotal: 256156 kB MemFree: 26564 kB Buffers: 11300 kB Cached: 198048 kB SwapCached: 0 kB Active: 7164 kB Inactive: 204736 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 256156 kB LowFree: 26564 kB SwapTotal: 4194272 kB SwapFree: 4194272 kB Dirty: 5780 kB Writeback: 0 kB Mapped: 6000680 kB Slab: 13056 kB Committed_AS: 7040 kB PageTables: 200 kB ReverseMaps: 664 Con -- 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: aart@kvack.org