linux-kernel - [PATCH 1/8] padata: Dont scale the parallel objects with the cpus

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Message-ID: <20100429123732.GE5275@secunet.com>
Date:	Thu, 29 Apr 2010 14:37:32 +0200
From:	Steffen Klassert <steffen.klassert@...unet.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/8] padata: Dont scale the parallel objects with the cpus

Scaling the maximum number of objects in the parallel
codepath can lead to out of memory problems on bigsmp
machines.

Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
---
 kernel/padata.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 70b5d5e..5b44d0f 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -29,7 +29,7 @@
 #include <linux/rcupdate.h>
 
 #define MAX_SEQ_NR INT_MAX - NR_CPUS
-#define MAX_OBJ_NUM 10000 * NR_CPUS
+#define MAX_OBJ_NUM 1000
 
 static int padata_index_to_cpu(struct parallel_data *pd, int cpu_index)
 {
-- 
1.5.6.5

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