Re: + revert-slabc-lockdep-locking-change.patch added to -mm tree

From: Christoph Lameter
Date: Thu Jul 13 2006 - 22:33:45 EST


On Thu, 13 Jul 2006, akpm@xxxxxxxx wrote:

> Chandra Seetharaman reported SLAB crashes caused by the slab.c lock
> annotation patch. There is only one chunk of that patch that has a
> material effect on the slab logic - this patch undoes that chunk.

Please describe the crash in detail? How could this be?

This patch introduces deadlocks as discussed earlier because slab
destroy may call kfree which may have to take the list lock itself.
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