linux-kernel - [PATCH] slub: __kmalloc_node_track_caller should trace kmalloc_large

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Date:	Thu,  8 Apr 2010 17:26:44 +0800
From:	Xiaotian Feng <dfeng@...hat.com>
To:	linux-mm@...ck.org
Cc:	linux-kernel@...r.kernel.org, Xiaotian Feng <dfeng@...hat.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Matt Mackall <mpm@...enic.com>,
	David Rientjes <rientjes@...gle.com>,
	Ingo Molnar <mingo@...e.hu>,
	Vegard Nossum <vegard.nossum@...il.com>
Subject: [PATCH] slub: __kmalloc_node_track_caller should trace kmalloc_large_node case

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@...hat.com>
Cc: Pekka Enberg <penberg@...helsinki.fi>
Cc: Matt Mackall <mpm@...enic.com>
Cc: David Rientjes <rientjes@...gle.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Vegard Nossum <vegard.nossum@...il.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);
 
-- 
1.7.0.1

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