From: David Mosberger <davidm@napali.hpl.hp.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Robert Love <rml@tech9.net>,
David Mosberger <davidm@hpl.hp.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] VM accounting 3/3 noreserve
Date: Tue, 23 Jul 2002 10:36:54 -0700 [thread overview]
Message-ID: <15677.37942.751459.494661@napali.hpl.hp.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0207231828180.10982-100000@localhost.localdomain>
>>>>> On Tue, 23 Jul 2002 18:29:22 +0100 (BST), Hugh Dickins <hugh@veritas.com> said:
Hugh> MAP_NORESERVE handling remains odd: doesn't have its own
Hugh> VM_flag, so mprotect a private readonly MAP_NORESERVE mapping
Hugh> to writable and the reservation is then made/checked (see
Hugh> vmacct2 patch). I don't mind adding VM_NORESERVE to fix that
Hugh> later, if MAP_NORESERVE users think it necessary: David?
Well, if we support MAP_NORESERVE, we ought to do it consistently and
correctly (note: my original report was triggered by a third party
getting confused because MAP_NORESERVE didn't work as expected).
--david
next prev parent reply other threads:[~2002-07-23 17:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-23 17:27 [PATCH] VM accounting 1/3 trivial Hugh Dickins
2002-07-23 17:28 ` [PATCH] VM accounting 2/3 fixes Hugh Dickins
2002-07-23 17:29 ` [PATCH] VM accounting 3/3 noreserve Hugh Dickins
2002-07-23 17:36 ` David Mosberger [this message]
2002-07-23 22:33 ` [PATCH] VM accounting 1/3 trivial Alan Cox
2002-07-24 14:48 ` Hugh Dickins
2002-07-25 1:31 ` Alan Cox
2002-07-25 20:31 ` Hugh Dickins
2002-07-25 22:31 ` Alan Cox
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=15677.37942.751459.494661@napali.hpl.hp.com \
--to=davidm@napali.hpl.hp.com \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=davidm@hpl.hp.com \
--cc=hugh@veritas.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rml@tech9.net \
/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
all inboxes | Powered by JetHome®