Re: Reading /proc/slabinfo causes stalls

From: David Rientjes
Date: Tue Oct 16 2012 - 14:47:51 EST

On Tue, 16 Oct 2012, Christoph Lameter wrote:

> If the allocator is SLAB then I would think that this is a stall of
> slabinfo mutex vs. slab clean operations (gets more frequent the more
> processors are in the box).
> If this is the case then using the SLUB allocator will fix the issue since
> SLUB does not need to perform cache cleaning.

Or convert slab_mutex to be a rwlock?
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