From: Con Kolivas <kernel@kolivas.org>
To: Andrew Morton <akpm@digeo.com>
Cc: dmccr@us.ibm.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: Rising io_load results Re: 2.5.63-mm1
Date: Fri, 28 Feb 2003 11:28:06 +1100 [thread overview]
Message-ID: <200302281128.06840.kernel@kolivas.org> (raw)
In-Reply-To: <20030227160656.40ebeb93.akpm@digeo.com>
On Fri, 28 Feb 2003 11:06 am, Andrew Morton wrote:
> Con Kolivas <kernel@kolivas.org> wrote:
> > On Fri, 28 Feb 2003 09:01 am, Dave McCracken wrote:
> > > --On Thursday, February 27, 2003 13:44:03 -0800 Andrew Morton
> > >
> > > <akpm@digeo.com> 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
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next prev parent reply other threads:[~2003-02-28 0:28 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-27 10:59 2.5.63-mm1 Andrew Morton
2003-02-27 21:22 ` Rising io_load results 2.5.63-mm1 Con Kolivas
2003-02-27 21:44 ` Andrew Morton
2003-02-27 22:01 ` Dave McCracken
2003-02-27 22:24 ` Andrew Morton
2003-03-03 21:06 ` [PATCH 2.5.63] Teach page_mapped about the anon flag Dave McCracken
2003-03-03 21:12 ` Andrew Morton
2003-03-03 21:24 ` Dave McCracken
2003-03-03 21:35 ` Andrew Morton
2003-03-03 21:52 ` Dave McCracken
2003-03-03 22:15 ` Andrew Morton
2003-03-04 18:32 ` [PATCH 2.5.63] Make objrmap mapcount non-atomic Dave McCracken
2003-02-27 23:56 ` Rising io_load results Re: 2.5.63-mm1 Con Kolivas
2003-02-28 0:06 ` Andrew Morton
2003-02-28 0:28 ` Con Kolivas [this message]
2003-02-28 7:46 ` Duncan Sands
2003-02-28 8:06 ` Andrew Morton
2003-02-28 12:48 ` Hugh Dickins
2003-02-28 15:56 ` Dave McCracken
2003-02-28 0:17 ` 2.5.63-mm1 Ed Tomlinson
2003-02-28 0:46 ` 2.5.63-mm1 Andrew Morton
2003-02-28 12:16 ` 2.5.63-mm1 steven roemen
2003-02-28 12:24 ` 2.5.63-mm1 Andrew Morton
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