From: William Lee Irwin III <wli@holomorphy.com>
To: Takao Indoh <indou.takao@soft.fujitsu.com>, linux-kernel@vger.kernel.org
Subject: Re: cache limit
Date: Tue, 26 Aug 2003 02:46:34 -0700 [thread overview]
Message-ID: <20030826094634.GP4306@holomorphy.com> (raw)
In-Reply-To: <20030825225847.GA16831@matchmail.com>
On Sun, Aug 24, 2003 at 09:11:17PM -0700, William Lee Irwin III wrote:
>> This is moderately misguided; essentially the only way userspace can
>> utilize RAM at all is via the pagecache. It's not useful to limit this;
>> you probably need inode-highmem or some such nonsense.
On Mon, Aug 25, 2003 at 03:58:47PM -0700, Mike Fedyk wrote:
> Exactly. Every program you have opened, and all of its libraries will show
> up as pagecache memory also, so seeing a large pagecache in and of itself
> may not be a problem.
> Let's get past the tuning paramenter you want in /proc, and tell us more
> about what you are doing that is causing this problem to be shown.
One thing I thought of after the post was whether they actually had in
mind tunable hard limits on _unmapped_ pagecache, which is, in fact,
useful. OTOH that's largely speculation and we really need them to
articulate the true nature of their problem.
-- wli
next prev parent reply other threads:[~2003-08-26 9:45 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-19 4:39 cache limit Anthony R.
2003-08-19 4:57 ` Nuno Silva
2003-08-19 5:33 ` Denis Vlasenko
2003-08-19 6:20 ` Andrew Morton
2003-08-19 9:05 ` J.A. Magallon
2003-08-19 9:16 ` Andrew Morton
2003-08-19 9:28 ` J.A. Magallon
2003-08-19 9:43 ` Andrew Morton
2003-08-19 13:32 ` Erik Andersen
2003-08-19 20:56 ` Andrew Morton
2003-08-19 14:28 ` Anthony R.
2003-08-19 18:26 ` Mike Fedyk
2003-08-19 5:42 ` Nick Piggin
2003-08-21 0:49 ` Takao Indoh
2003-08-21 23:47 ` Mike Fedyk
2003-08-25 2:45 ` Takao Indoh
2003-08-25 4:11 ` William Lee Irwin III
2003-08-25 22:58 ` Mike Fedyk
2003-08-26 9:46 ` William Lee Irwin III [this message]
2003-08-27 9:36 ` Takao Indoh
2003-08-27 9:45 ` William Lee Irwin III
2003-08-27 11:14 ` Takao Indoh
2003-08-27 11:36 ` William Lee Irwin III
2003-09-02 10:52 ` Takao Indoh
2003-09-02 11:30 ` William Lee Irwin III
2003-09-02 17:21 ` Mike Fedyk
2003-08-27 16:01 ` Joseph Malicki
[not found] <m6Bv.3ys.1@gated-at.bofh.it>
[not found] ` <mLY8.dO.5@gated-at.bofh.it>
2003-08-21 9:52 ` Ihar 'Philips' Filipau
2003-08-25 7:17 ` Takao Indoh
[not found] <n7lV.2HA.19@gated-at.bofh.it>
[not found] ` <ofAJ.4dx.9@gated-at.bofh.it>
[not found] ` <ogZM.5KJ.1@gated-at.bofh.it>
[not found] ` <oyDw.5FP.33@gated-at.bofh.it>
2003-08-26 10:15 ` Ihar 'Philips' Filipau
2003-08-26 17:46 ` Mike Fedyk
[not found] <oJ5P.699.21@gated-at.bofh.it>
[not found] ` <oJ5P.699.23@gated-at.bofh.it>
[not found] ` <oJ5P.699.25@gated-at.bofh.it>
[not found] ` <oJ5P.699.27@gated-at.bofh.it>
[not found] ` <oJ5P.699.19@gated-at.bofh.it>
[not found] ` <oQh2.4bQ.13@gated-at.bofh.it>
2003-08-26 19:08 ` Ihar 'Philips' Filipau
2003-08-26 19:23 ` Mike Fedyk
2003-08-27 10:21 ` Ihar 'Philips' Filipau
2003-08-27 11:07 ` Nick Piggin
[not found] <000801c36cb1$454d4950$1001a8c0@etofmv650>
2003-08-27 16:02 ` YoshiyaETO
-- strict thread matches above, loose matches on Subject: below --
2003-08-27 16:03 Joseph Malicki
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030826094634.GP4306@holomorphy.com \
--to=wli@holomorphy.com \
--cc=indou.takao@soft.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox