Date: Mon, 19 Sep 2011 22:45:07 +0300 From: Pekka Enberg <penberg@...helsinki.fi> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Vasiliy Kulikov <segoon@...nwall.com>, Andrew Morton <akpm@...ux-foundation.org>, kernel-hardening@...ts.openwall.com, Kees Cook <kees@...ntu.com>, Cyrill Gorcunov <gorcunov@...il.com>, Al Viro <viro@...iv.linux.org.uk>, Christoph Lameter <cl@...ux-foundation.org>, Matt Mackall <mpm@...enic.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, Dan Rosenberg <drosenberg@...curity.com>, Theodore Tso <tytso@....edu>, Alan Cox <alan@...ux.intel.com>, Jesper Juhl <jj@...osbits.net> Subject: Re: Re: [RFC PATCH 2/2] mm: restrict access to /proc/slabinfo On Mon, Sep 19, 2011 at 10:18 PM, Pekka Enberg <penberg@...helsinki.fi> wrote: >> Having some aggregate number in /proc/meminfo would probably be fine. >> >> And yes, we probably should avoid giving page-level granularity in >> /proc/meminfo too. Do it in megabytes instead. None of the information >> there is really relevant at a page level, everybody just wants rough >> aggregates. > > We have this in /proc/meminfo: > > Slab: 20012 kB > > Or did you mean something even more specific? Oh, sorry, I completely misread what you wrote above. Sure, we can round the numbers into megabytes without breaking the ABI. Pekka
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