lkml.org 
[lkml]   [2007]   [May]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 2/2] Slab allocators: Drop support for destructors
On Fri, May 11, 2007 at 09:57:51AM -0700, clameter@sgi.com wrote:
> There is no user of destructors left. There is no reason why we should
> keep checking for destructors calls in the slab allocators.
>
> The RFC for this patch was discussed at
> http://marc.info/?l=linux-kernel&m=117882364330705&w=2
>
> Destructors were mainly used for list management which required them to take a
> spinlock. Taking a spinlock in a destructor is a bit risky since the slab
> allocators may run the destructors anytime they decide a slab is no longer
> needed.
>
> Patch drops destructor support. Any attempt to use a destructor will BUG().
>
> Cc: Pekka Enberg <penberg@cs.helsinki.fi>
> Cc: Paul Mundt <lethal@linux-sh.org>
> Signed-off-by: Christoph Lameter <clameter@sgi.com>
>
Acked-by: Paul Mundt <lethal@linux-sh.org>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-05-12 03:37    [W:0.056 / U:1.740 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site