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From: Catalin Marinas <catalin.marinas@arm.com>
To: linux-mm@kvack.org, linux-kernel <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, Pekka Enberg <penberg@cs.helsinki.fi>
Subject: Re: [RFC PATCH 2/3] kmemleak: Add callbacks to the bootmem allocator
Date: Mon, 06 Jul 2009 11:58:40 +0100	[thread overview]
Message-ID: <1246877921.16785.26.camel@pc1117.cambridge.arm.com> (raw)
In-Reply-To: <20090706105155.16051.59597.stgit@pc1117.cambridge.arm.com>

On Mon, 2009-07-06 at 11:51 +0100, Catalin Marinas wrote:
> This patch adds kmemleak_alloc/free callbacks to the bootmem allocator.
> This would allow scanning of such blocks and help avoiding a whole class
> of false positives and more kmemleak annotations.
> 
> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: Pekka Enberg <penberg@cs.helsinki.fi>
> ---
>  mm/bootmem.c |   36 +++++++++++++++++++++++++++++-------
>  1 files changed, 29 insertions(+), 7 deletions(-)
> 
> diff --git a/mm/bootmem.c b/mm/bootmem.c
> index d2a9ce9..18858ad 100644
> --- a/mm/bootmem.c
> +++ b/mm/bootmem.c
> @@ -335,6 +335,8 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
>  {
>  	unsigned long start, end;
>  
> +	kmemleak_free(__va(physaddr));

This should actually be

+	kmemleak_free_part(__va(physaddr), size);

-- 
Catalin

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  reply	other threads:[~2009-07-06 10:22 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-06 10:51 [RFC PATCH 0/3] kmemleak: Add support for " Catalin Marinas
2009-07-06 10:51 ` [RFC PATCH 1/3] kmemleak: Allow partial freeing of memory blocks Catalin Marinas
2009-07-07  7:12   ` Pekka Enberg
2009-07-07  8:42     ` Catalin Marinas
2009-07-07 13:39       ` Catalin Marinas
2009-07-08  6:40         ` Pekka Enberg
2009-07-08  9:42           ` Catalin Marinas
2009-07-08  9:45             ` Pekka Enberg
2009-07-06 10:51 ` [RFC PATCH 2/3] kmemleak: Add callbacks to the bootmem allocator Catalin Marinas
2009-07-06 10:58   ` Catalin Marinas [this message]
2009-07-07  7:08   ` Pekka Enberg
2009-07-07 16:53     ` Johannes Weiner
2009-07-07 22:09       ` Catalin Marinas
2009-07-08  6:48         ` Pekka Enberg
2009-07-08  9:43           ` Catalin Marinas
2009-07-08 11:46             ` Johannes Weiner
2009-07-08  9:46         ` Johannes Weiner
2009-07-08 10:02           ` Catalin Marinas
2009-07-08 10:03             ` Pekka Enberg
2009-07-06 10:52 ` [RFC PATCH 3/3] kmemleak: Remove alloc_bootmem annotations introduced in the past Catalin Marinas
2009-07-07  7:12   ` Pekka Enberg

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