Messages in this thread | | | Date | Sat, 12 May 2007 10:33:25 +0900 | From | Paul Mundt <> | Subject | Re: [patch 2/2] Slab allocators: Drop support for destructors |
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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/
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