From: Pekka Enberg <penberg@cs.helsinki.fi>
To: David Rientjes <rientjes@google.com>
Cc: Xiaotian Feng <dfeng@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Matt Mackall <mpm@selenic.com>, Ingo Molnar <mingo@elte.hu>,
Vegard Nossum <vegard.nossum@gmail.com>,
cl@linux-foundation.org
Subject: Re: [PATCH] slub: __kmalloc_node_track_caller should trace kmalloc_large_node case
Date: Sun, 11 Apr 2010 09:40:50 +0300 [thread overview]
Message-ID: <4BC16EF2.5060802@cs.helsinki.fi> (raw)
In-Reply-To: <alpine.DEB.2.00.1004081202570.21040@chino.kir.corp.google.com>
David Rientjes wrote:
> On Thu, 8 Apr 2010, Xiaotian Feng wrote:
>
>> commit 94b528d (kmemtrace: SLUB hooks for caller-tracking functions)
>> missed tracing kmalloc_large_node in __kmalloc_node_track_caller. We
>> should trace it same as __kmalloc_node.
>>
>> Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
>> Cc: Pekka Enberg <penberg@cs.helsinki.fi>
>> Cc: Matt Mackall <mpm@selenic.com>
>> Cc: David Rientjes <rientjes@google.com>
>
> Acked-by: David Rientjes <rientjes@google.com>
>
>> Cc: Ingo Molnar <mingo@elte.hu>
>> Cc: Vegard Nossum <vegard.nossum@gmail.com>
>> ---
>> mm/slub.c | 11 +++++++++--
>> 1 files changed, 9 insertions(+), 2 deletions(-)
>>
>> diff --git a/mm/slub.c b/mm/slub.c
>> index b364844..a3a5a18 100644
>> --- a/mm/slub.c
>> +++ b/mm/slub.c
>> @@ -3335,8 +3335,15 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
>> struct kmem_cache *s;
>> void *ret;
>>
>> - if (unlikely(size > SLUB_MAX_SIZE))
>> - return kmalloc_large_node(size, gfpflags, node);
>> + if (unlikely(size > SLUB_MAX_SIZE)) {
>> + ret = kmalloc_large_node(size, gfpflags, node);
>> +
>> + trace_kmalloc_node(caller, ret,
>> + size, PAGE_SIZE << get_order(size),
>> + gfpflags, node);
>> +
>> + return ret;
>> + }
>>
>> s = get_slab(size, gfpflags);
>>
Applied, thanks!
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prev parent reply other threads:[~2010-04-11 6:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-08 9:26 [PATCH] slub: __kmalloc_node_track_caller should trace kmalloc_large_node case Xiaotian Feng
2010-04-08 19:03 ` David Rientjes
2010-04-11 6:40 ` Pekka Enberg [this message]
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