From: Andrew Morton <akpm@osdl.org>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: hugh@veritas.com, kmannth@us.ibm.com, linux-mm@kvack.org
Subject: Re: [Bug 3268] New: Lowmemory exhaustion problem with v2.6.8.1-mm4 16gb
Date: Wed, 25 Aug 2004 14:35:45 -0700 [thread overview]
Message-ID: <20040825143545.4786701c.akpm@osdl.org> (raw)
In-Reply-To: <169840000.1093468741@[10.10.2.4]>
"Martin J. Bligh" <mbligh@aracnet.com> wrote:
>
> > Hugh Dickins <hugh@veritas.com> wrote:
> >>
> >> (hmm, does lowmem shortage exert
> >> any pressure on highmem cache these days, I wonder?);
> >
> > It does, indirectly - when we reclaim an unused inode we also shoot down
> > all that inode's pagecache.
>
> ISTR that causes some fairly major problems under mem pressure - when we
> go to shrink inode cache, it used to sit there for *ages* trying to free
> pagecache, particularly if there were a lot of large dirty files. That
> was a few months back ...
I never saw a report.
> but would anything have fixed that case since then?
>
No. Probably testing I_DIRTY earlier in prune_icache() would fix it up.
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next prev parent reply other threads:[~2004-08-25 21:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1093400029.5677.1866.camel@knk>
2004-08-25 14:05 ` Hugh Dickins
2004-08-25 19:05 ` keith
2004-08-25 20:37 ` Hugh Dickins
2004-08-25 20:53 ` Andrew Morton
2004-08-25 20:59 ` Hugh Dickins
2004-08-25 21:19 ` Martin J. Bligh
2004-08-25 21:35 ` Andrew Morton [this message]
2004-08-25 21:49 ` keith
2004-08-25 22:02 ` Martin J. Bligh
2004-08-26 15:28 ` Hugh Dickins
[not found] <200408242051.i7OKplP0009870@fire-1.osdl.org>
2004-08-24 21:43 ` Andrew Morton
2004-08-24 23:11 ` keith
2004-08-24 23:24 ` Andrew Morton
2004-08-24 23:20 ` Hugh Dickins
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