From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 07/15] kmemleak: Add memleak_alloc callback from alloc_large_system_hash
Date: Wed, 10 Dec 2008 11:04:20 -0800 [thread overview]
Message-ID: <1228935860.9737.98.camel@nimitz> (raw)
In-Reply-To: <20081210182732.30323.39834.stgit@pc1117.cambridge.arm.com>
On Wed, 2008-12-10 at 18:27 +0000, Catalin Marinas wrote:
>
> @@ -4570,6 +4571,8 @@ void *__init alloc_large_system_hash(const char *tablename,
> if (_hash_mask)
> *_hash_mask = (1 << log2qty) - 1;
>
> + memleak_alloc(table, size, 1, GFP_ATOMIC);
> +
> return table;
> }
Why is this sucker GFP_ATOMIC?
Since alloc_large_system_hash() is using bootmem (and is called early),
I'm a little surprised that it is OK to call into memleak_alloc() which
uses kmem_cache_alloc(). Is the slab even set up at this point?
-- Dave
next prev parent reply other threads:[~2008-12-10 19:04 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-10 18:26 [PATCH 00/15] Kernel memory leak detector Catalin Marinas
2008-12-10 18:26 ` [PATCH 01/15] kmemleak: Add the base support Catalin Marinas
2008-12-11 22:01 ` Pekka Enberg
2008-12-12 11:36 ` Catalin Marinas
2008-12-12 13:14 ` Pekka Enberg
2008-12-16 19:36 ` Paul E. McKenney
2008-12-17 9:44 ` Catalin Marinas
2008-12-17 17:15 ` Paul E. McKenney
2008-12-10 18:27 ` [PATCH 02/15] kmemleak: Add documentation on the memory leak detector Catalin Marinas
2008-12-10 18:27 ` [PATCH 03/15] kmemleak: Add the slab memory allocation/freeing hooks Catalin Marinas
2008-12-10 18:32 ` Dave Hansen
2008-12-10 18:53 ` Dave Hansen
2008-12-11 21:22 ` Pekka Enberg
2008-12-12 14:27 ` Catalin Marinas
2008-12-18 10:46 ` Pekka Enberg
2008-12-18 16:38 ` Catalin Marinas
2008-12-18 16:49 ` Christoph Lameter
2008-12-18 17:02 ` Catalin Marinas
2008-12-18 19:35 ` Christoph Lameter
2008-12-18 20:06 ` Pekka Enberg
2008-12-18 21:41 ` Christoph Lameter
2008-12-19 10:44 ` Catalin Marinas
2008-12-10 18:27 ` [PATCH 04/15] kmemleak: Add the slob " Catalin Marinas
2008-12-10 18:36 ` Matt Mackall
2008-12-11 9:47 ` Catalin Marinas
2008-12-11 21:37 ` Pekka Enberg
2008-12-10 18:27 ` [PATCH 05/15] kmemleak: Add the slub " Catalin Marinas
2008-12-11 21:30 ` Pekka Enberg
2008-12-12 13:45 ` Catalin Marinas
2008-12-18 10:51 ` Pekka Enberg
2008-12-18 15:28 ` Catalin Marinas
2008-12-18 16:05 ` Pekka Enberg
2008-12-10 18:27 ` [PATCH 06/15] kmemleak: Add the vmalloc " Catalin Marinas
2008-12-10 18:27 ` [PATCH 07/15] kmemleak: Add memleak_alloc callback from alloc_large_system_hash Catalin Marinas
2008-12-10 19:04 ` Dave Hansen [this message]
2008-12-11 9:50 ` Catalin Marinas
2008-12-11 10:08 ` Catalin Marinas
2008-12-11 17:30 ` Dave Hansen
2008-12-11 17:38 ` Catalin Marinas
2008-12-11 17:45 ` Dave Hansen
2008-12-11 19:47 ` Pekka Enberg
2008-12-12 17:04 ` Catalin Marinas
2008-12-12 17:17 ` Dave Hansen
2008-12-12 17:43 ` Catalin Marinas
2008-12-10 18:27 ` [PATCH 08/15] kmemleak: Add modules support Catalin Marinas
2008-12-10 18:27 ` [PATCH 09/15] x86: Provide _sdata in the vmlinux_*.lds.S files Catalin Marinas
2008-12-10 18:27 ` [PATCH 10/15] arm: Provide _sdata and __bss_stop in the vmlinux.lds.S file Catalin Marinas
2008-12-10 18:27 ` [PATCH 11/15] kmemleak: Remove some of the kmemleak false positives Catalin Marinas
2008-12-10 18:28 ` [PATCH 12/15] kmemleak: Enable the building of the memory leak detector Catalin Marinas
2008-12-10 19:20 ` Dave Hansen
2008-12-12 17:27 ` Catalin Marinas
2008-12-12 18:02 ` Dave Hansen
2008-12-10 18:28 ` [PATCH 13/15] kmemleak: Keep the __init functions after initialization Catalin Marinas
2008-12-10 18:44 ` Sam Ravnborg
2008-12-17 13:09 ` Catalin Marinas
2008-12-10 18:28 ` [PATCH 14/15] kmemleak: Simple testing module for kmemleak Catalin Marinas
2008-12-10 18:28 ` [PATCH 15/15] kmemleak: Add the corresponding MAINTAINERS entry Catalin Marinas
2008-12-11 9:44 ` [PATCH 00/15] Kernel memory leak detector Catalin Marinas
-- strict thread matches above, loose matches on Subject: below --
2008-11-29 10:43 Catalin Marinas
2008-11-29 10:43 ` [PATCH 07/15] kmemleak: Add memleak_alloc callback from alloc_large_system_hash Catalin Marinas
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