From: Theodore Ts'o <tytso@mit.edu>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Jiri Kosina <jkosina@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux.com>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] mm/sl[aou]b: make kfree() aware of error pointers
Date: Wed, 10 Sep 2014 15:40:10 -0400 [thread overview]
Message-ID: <20140910194010.GE31903@thunk.org> (raw)
In-Reply-To: <20140910155356.GT6549@mwanda>
On Wed, Sep 10, 2014 at 06:53:56PM +0300, Dan Carpenter wrote:
> On Wed, Sep 10, 2014 at 05:28:11PM +0200, Jiri Kosina wrote:
> >
> > Too late for this now, yes.
>
> We could still introduce a __kfree_fast_path() which doesn't have
> checking.
Well, there certainly is precedence for that sort of thing. There is
a bunch of code which uses __brelse(bh) instead of brelse(bh) when the
caller is sure that bh is a valid non-NULL pointer.
- Ted
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next prev parent reply other threads:[~2014-09-10 19:40 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-09 21:25 Jiri Kosina
2014-09-09 23:21 ` Andrew Morton
2014-09-10 5:05 ` Jiri Kosina
2014-09-10 5:11 ` Andrew Morton
2014-09-10 6:36 ` Dan Carpenter
2014-09-10 13:56 ` Theodore Ts'o
2014-09-10 14:27 ` Dave Jones
2014-09-10 14:07 ` Theodore Ts'o
2014-09-10 14:24 ` Jiri Kosina
2014-09-10 14:33 ` Andrey Ryabinin
2014-09-10 14:42 ` Jiri Kosina
2014-09-10 15:43 ` Christoph Lameter
2014-09-10 14:26 ` Jiri Kosina
2014-09-10 15:21 ` Dan Carpenter
2014-09-10 15:28 ` Jiri Kosina
2014-09-10 15:53 ` Dan Carpenter
2014-09-10 19:40 ` Theodore Ts'o [this message]
2014-09-11 14:14 ` Rasmus Villemoes
2014-09-10 14:22 ` Christoph Lameter
2014-09-10 5:15 ` Valdis.Kletnieks
2014-09-10 6:51 ` Dan Carpenter
2014-09-10 13:59 ` Christoph Lameter
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