Re: [PATCH] slub: reduce overhead of slub_debug

[Christoph Lameter]

On Sun, 26 Jun 2011, Marcin Slusarz wrote:

> slub checks for poison one byte by one, which is highly inefficient
> and shows up frequently as a highest cpu-eater in perf top.

Ummm.. Performance improvements for debugging modes? If you need
performance then switch off debuggin.

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