linux-kernel - Re: [PATCH 3/5] SLUB: Replace __builtin_return_address(0) with _RET_IP

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Message-ID: <48AB2BCE.1080607@linux-foundation.org>
Date:	Tue, 19 Aug 2008 15:23:42 -0500
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
CC:	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	rdunlap@...otime.net, mpm@...enic.com, tglx@...utronix.de,
	rostedt@...dmis.org, mathieu.desnoyers@...ymtl.ca,
	tzanussi@...il.com
Subject: Re: [PATCH 3/5] SLUB: Replace __builtin_return_address(0) with	_RET_IP_.

Pekka Enberg wrote:

> It's compiled-tested too. I had to do some changes to
> include/linux/slab.h as well.

Please recompile with CONFIG_SLUB_DEBUG off to find some breakage.  F.e.

static inline int alloc_debug_processing(struct kmem_cache *s,
        struct page *page, void *object, void *addr) { return 0; }

static inline int free_debug_processing(struct kmem_cache *s,
        struct page *page, void *object, void *addr) { return 0; }
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