linux-kernel - Re: [PATCH] fault injection: fix failslab with CONFIG

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Message-ID: <Pine.LNX.4.64.0704230804490.27616@sbz-30.cs.Helsinki.FI>
Date:	Mon, 23 Apr 2007 08:05:06 +0300 (EEST)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	Akinobu Mita <akinobu.mita@...il.com>
cc:	Andi Kleen <andi@...stfloor.org>,
	Scott Porter <scott@...ngridcomputing.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	akpm@...ux-foundation.org
Subject: Re: [PATCH] fault injection: fix failslab with CONFIG_NUMA

On Sun, 22 Apr 2007, Akinobu Mita wrote:
> Currently failslab injects failures into ____cache_alloc().
> But with enabling CONFIG_NUMA it's not enough to let actual
> slab allocator functions (kmalloc, kmem_cache_alloc, ...) return NULL.
> 
> This patch moves fault injection hook inside of __cache_alloc() and
> __cache_alloc_node(). These are lower call path than ____cache_alloc()
> and enable to inject faulures to slab allocators with CONFIG_NUMA.

Looks good to me.

Acked-by: Pekka Enberg <penberg@...helsinki.fi>
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