From: Andrew Morton <akpm@linux-foundation.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-mm@kvack.org
Subject: Re: [patch 02/10] SLUB: Fix sysfs directory handling
Date: Fri, 27 Apr 2007 00:10:31 -0700 [thread overview]
Message-ID: <20070427001031.a6402f4b.akpm@linux-foundation.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0704270001230.5388@schroedinger.engr.sgi.com>
On Fri, 27 Apr 2007 00:02:36 -0700 (PDT) Christoph Lameter <clameter@sgi.com> wrote:
> On Thu, 26 Apr 2007, Andrew Morton wrote:
>
> > > + * :[flags-]size:[memory address of kmemcache]
> > > + */
> >
> > Exposing kernel addresses to unprivileged userspace is considered poor
> > form.
>
> Hmmmm... We could drop the address if I can make sure that all the other
> unifying bits are in the string.
Tejun today sent out a patch "[PATCH 3/4] ida: implement idr based id
allocator" which could be used here to give each slab a unique
integer identifier.
It might be a bit overkillish. I suspect slab_number++ would suffice.
Make it u64 if we're really paranoid.
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next prev parent reply other threads:[~2007-04-27 7:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-27 4:26 [patch 00/10] SLUB patches against 2.6.21-rc7-mm2 clameter
2007-04-27 4:26 ` [patch 01/10] SLUB: Remove duplicate VM_BUG_ON clameter
2007-04-27 4:26 ` [patch 02/10] SLUB: Fix sysfs directory handling clameter
2007-04-27 6:31 ` Andrew Morton
2007-04-27 7:02 ` Christoph Lameter
2007-04-27 7:10 ` Andrew Morton [this message]
2007-04-27 4:26 ` [patch 03/10] SLUB: debug printk cleanup clameter
2007-04-27 6:32 ` Andrew Morton
2007-04-27 4:26 ` [patch 04/10] SLUB: Conform more to SLABs SLAB_HWCACHE_ALIGN behavior clameter
2007-04-27 4:27 ` [patch 05/10] SLUB: Add MIN_PARTIAL clameter
2007-04-27 4:27 ` [patch 06/10] SLUB: Free slabs and sort partial slab lists in kmem_cache_shrink clameter
2007-04-27 4:27 ` [patch 07/10] SLUB: Major slabinfo update clameter
2007-04-27 4:27 ` [patch 08/10] SLUB: Reduce the order of allocations to avoid fragmentation clameter
2007-04-27 4:27 ` [patch 09/10] SLUB: Exploit page mobility to increase allocation order clameter
2007-04-27 6:32 ` Andrew Morton
2007-04-27 7:04 ` Christoph Lameter
2007-04-27 11:14 ` Mel Gorman
2007-04-27 17:15 ` Christoph Lameter
2007-04-27 4:27 ` [patch 10/10] SLUB: i386 support clameter
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