linux-kernel - [PATCH] bnx2fc: use kthread_create_on

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Message-ID: <1311923178.7845.21.camel@edumazet-laptop>
Date:	Fri, 29 Jul 2011 09:06:18 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Bhanu Prakash Gollapudi <bprakash@...adcom.com>
Cc:	"James E.J. Bottomley" <JBottomley@...allels.com>,
	linux-scsi@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] bnx2fc: use kthread_create_on_node

Since bnx2fc_percpu_thread_create() creates percpu kthread, it makes
sense to use kthread_create_on_node() to get proper NUMA affinity for
kthread stack.

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
CC: "James E.J. Bottomley" <JBottomley@...allels.com>
---
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index a97aff3..9843434 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -2161,9 +2161,9 @@ static void bnx2fc_percpu_thread_create(unsigned int cpu)
 
 	p = &per_cpu(bnx2fc_percpu, cpu);
 
-	thread = kthread_create(bnx2fc_percpu_io_thread,
-				(void *)p,
-				"bnx2fc_thread/%d", cpu);
+	thread = kthread_create_on_node(bnx2fc_percpu_io_thread,
+					(void *)p, cpu_to_node(cpu),
+					"bnx2fc_thread/%d", cpu);
 	/* bind thread to the cpu */
 	if (likely(!IS_ERR(p->iothread))) {
 		kthread_bind(thread, cpu);


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