Date: Sat, 19 May 2012 15:27:33 +0200
From: Christoph Biedl <linux-kernel.bfrz@manchmal.in-ulm.de>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        alan@lxorguk.ukuu.org.uk, Sami Liedes <sami.liedes@iki.fi>,
        Tejun Heo <tj@kernel.org>, Christoph Lameter <cl@linux-foundation.org>,
        Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [ 31/54] kmemleak: Fix the kmemleak tracking of the percpu
 areas with !SMP
Message-ID: <1337433313@msgid.manchmal.in-ulm.de>
References: <20120518212656.GA4992@kroah.com>
 <20120518211602.287791770@linuxfoundation.org>
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Greg KH wrote...

> 3.0-stable review patch.  If anyone has any objections, please let me kno=
w.

> From: Catalin Marinas <catalin.marinas@arm.com>
>=20
> commit 100d13c3b5b9410f604b86f5e0a34da64b8cf659 upstream.

> +	/* kmemleak tracks the percpu allocations separately */
> +	kmemleak_free(fc);

That one causes:

    mm/percpu.c: In function =E2=80=98setup_per_cpu_areas=E2=80=99:
    mm/percpu.c:1877: error: implicit declaration of function =E2=80=98kmem=
leak_free=E2=80=99
    make[1]: *** [mm/percpu.o] Error 1
    make: *** [mm] Error 2

Trivial fix, works for me: Add

    #include <linux/kmemleak.h>

to mm/percpu.c. FWIW, upstream did this in in f528f0b but I cannot
tell whether that commit is in any way of interest for 3.0.x.

Regards,

    Christoph

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