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Date:   Thu, 7 Dec 2017 05:13:56 -0600 (CST)
From:   Christopher Lameter <>
To:     Geert Uytterhoeven <>
cc:     Pekka Enberg <>,
        David Rientjes <>,
        Joonsoo Kim <>,
        Andrew Morton <>,
        "Tobin C . Harding" <>,,, Kees Cook <>
Subject: Re: [PATCH] mm/slab: Do not hash pointers when debugging slab

On Thu, 7 Dec 2017, Geert Uytterhoeven wrote:

> If CONFIG_DEBUG_SLAB/CONFIG_DEBUG_SLAB_LEAK are enabled, the slab code
> prints extra debug information when e.g. corruption is detected.
> This includes pointers, which are not very useful when hashed.
> Fix this by using %px to print unhashed pointers instead.

Acked-by: Christoph Lameter <>

These SLAB config options are only used for testing so this is ok.

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