From: Benjamin LaHaise <bcrl@redhat.com>
To: Mark_H_Johnson@Raytheon.com
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
"Amit S. Jain" <amitjain@tifr.res.in>,
linux-mm@kvack.org, owner-linux-mm@kvack.org
Subject: Re: Allocation of kernel memory >128K
Date: Tue, 11 Dec 2001 13:13:42 -0500 [thread overview]
Message-ID: <20011211131342.D6400@redhat.com> (raw)
In-Reply-To: <OF1B7C1C46.B55EBB52-ON86256B1F.00536DEC@hou.us.ray.com>; from Mark_H_Johnson@Raytheon.com on Tue, Dec 11, 2001 at 09:27:36AM -0600
On Tue, Dec 11, 2001 at 09:27:36AM -0600, Mark_H_Johnson@Raytheon.com wrote:
> I would not necessarily say that "large amounts of continuous memory is a
> bad thing" - rather that it is hard to get, and a costly operation (in
> time). For example - a number of existing pages must be moved (or swapped)
> to get the area you are requesting. Since this is a big performance hit,
> you better have a really good reason for doing so.
Don't even bother thinking about performance: it is unreliable.
-ben
--
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/
next prev parent reply other threads:[~2001-12-11 18:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-11 15:27 Allocation of kernel memory >128K Mark_H_Johnson
2001-12-11 18:13 ` Benjamin LaHaise [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-12-11 10:06 Amit S. Jain
2001-12-11 10:41 ` Eric W. Biederman
2001-12-12 7:40 ` Amit S. Jain
2001-12-20 3:56 ` Vladimir Dergachev
2001-12-27 11:08 ` Amit S. Jain
2002-01-03 22:59 ` Ravi K
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=20011211131342.D6400@redhat.com \
--to=bcrl@redhat.com \
--cc=Mark_H_Johnson@Raytheon.com \
--cc=amitjain@tifr.res.in \
--cc=ebiederm@xmission.com \
--cc=linux-mm@kvack.org \
--cc=owner-linux-mm@kvack.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.