From: Paul Mundt <lethal@linux-sh.org>
To: werner <werner@copaya.yi.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Incompatibilities of kmem_cache_create
Date: Sat, 21 Jul 2007 15:20:32 +0900 [thread overview]
Message-ID: <20070721062032.GA1814@linux-sh.org> (raw)
In-Reply-To: <1184997001.28478@werner>
On Sat, Jul 21, 2007 at 02:50:01AM -0300, werner wrote:
> Of the kernel 2.6.22-git15 of this night, kmem_cache_create is not
> compatible and causes compiling errors of some fundamental programs.
> Before, this error didnt occur.
>
Slab destructors haven't been supported in the kernel for ages, anything
that's relying on them to work out-of-tree is fundamentally broken.
> At least this happened on compiling the externel modules for btrfs and
> ndiskwrapper. Principally the compatibility of the Kernel with older
> and new versions of the file systems have to be observed very good, for
> the reliability to can read dates.
>
> Thus this should be checked, and corrected
>
Indeed it should. You can correct this by removing the extraneous NULL
parameter for the slab dtor from the kmem_cache_create() callsite in the
out-of-tree code. All of the in-tree users were already converted.
next prev parent reply other threads:[~2007-07-21 6:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-21 5:50 Incompatibilities of kmem_cache_create werner
2007-07-21 6:20 ` Paul Mundt [this message]
2007-07-24 3:02 ` Christoph Lameter
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