Re: Tracing memory leaks (slabs) in 2.6.9+ kernels?

From: Andrew Morton
Date: Fri Mar 04 2005 - 03:01:29 EST


Justin Schoeman <justin@xxxxxxxxxxxxxxx> wrote:
>
> Will the slab debugger make it into the kernel as a standard compile
> time option? It is a _really_ usefull tool to have around.

It has a slight downside: it unconditionally changes the type of
kmem_bufctl_t to unsigned long, which wastes two or four bytes per page of
slab.

I suppose we could fix that up with suitable use of CONFIG_DEBUG_SLAB.
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