From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Christoph Lameter <cl@gentwo.org>
Cc: David Rientjes <rientjes@google.com>,
Vasiliy Kulikov <segoon@openwall.com>,
kernel-hardening@lists.openwall.com,
Pekka Enberg <penberg@kernel.org>, Matt Mackall <mpm@selenic.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Kees Cook <kees@ubuntu.com>,
Valdis.Kletnieks@vt.edu,
Linus Torvalds <torvalds@linux-foundation.org>,
Alan Cox <alan@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] mm: restrict access to /proc/meminfo
Date: Wed, 28 Sep 2011 13:31:45 -0700 [thread overview]
Message-ID: <1317241905.16137.516.camel@nimitz> (raw)
In-Reply-To: <alpine.DEB.2.00.1109271546320.13797@router.home>
On Tue, 2011-09-27 at 15:47 -0500, Christoph Lameter wrote:
> On Tue, 27 Sep 2011, David Rientjes wrote:
> > It'll turn into another one of our infinite number of capabilities. Does
> > anything actually care about statistics at KB granularity these days?
>
> Changing that to MB may also break things. It may be better to have
> consistent system for access control to memory management counters that
> are not related to a process.
We could also just _effectively_ make it output in MB:
foo = foo & ~(1<<20)
or align-up. We could also give the imprecise numbers to unprivileged
users and let privileged ones see the page-level ones.
-- Dave
--
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/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2011-09-28 20:31 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-27 17:54 [PATCH 1/2] mm: restrict access to slab files under procfs and sysfs Vasiliy Kulikov
2011-09-27 17:56 ` [PATCH 2/2] mm: restrict access to /proc/meminfo Vasiliy Kulikov
2011-09-27 18:27 ` David Rientjes
2011-09-27 19:14 ` Vasiliy Kulikov
2011-09-27 19:38 ` Vasiliy Kulikov
2011-09-27 20:03 ` Christoph Lameter
2011-09-27 20:33 ` David Rientjes
2011-09-27 20:47 ` Christoph Lameter
2011-09-28 20:31 ` Dave Hansen [this message]
2011-09-28 20:52 ` Alan Cox
2011-09-29 0:43 ` Valdis.Kletnieks
2011-09-29 14:11 ` Christoph Lameter
2011-09-29 16:18 ` Vasiliy Kulikov
2011-09-29 16:30 ` Dave Hansen
2011-09-29 16:43 ` [kernel-hardening] " Vasiliy Kulikov
2011-09-29 16:57 ` Valdis.Kletnieks
2011-09-29 17:25 ` [kernel-hardening] " Vasiliy Kulikov
2011-09-29 17:28 ` Vasiliy Kulikov
2011-09-28 21:46 ` Andrew Morton
2011-09-30 19:53 ` Vasiliy Kulikov
2011-09-30 20:03 ` Andrew Morton
2011-09-30 20:12 ` Vasiliy Kulikov
2011-09-30 20:15 ` Dave Hansen
2011-09-27 18:08 ` [PATCH 1/2] mm: restrict access to slab files under procfs and sysfs Christoph Lameter
2011-09-27 19:16 ` Vasiliy Kulikov
2011-09-27 19:35 ` Christoph Lameter
2011-09-27 18:21 ` David Rientjes
2011-09-27 20:00 ` Pekka Enberg
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=1317241905.16137.516.camel@nimitz \
--to=dave@linux.vnet.ibm.com \
--cc=Valdis.Kletnieks@vt.edu \
--cc=akpm@linux-foundation.org \
--cc=alan@linux.intel.com \
--cc=cl@gentwo.org \
--cc=kees@ubuntu.com \
--cc=kernel-hardening@lists.openwall.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mpm@selenic.com \
--cc=penberg@kernel.org \
--cc=rientjes@google.com \
--cc=segoon@openwall.com \
--cc=torvalds@linux-foundation.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;
as well as URLs for NNTP newsgroup(s).