From 92578c0b8078f6919f9b47e7e16a1cf770bd127b Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 23 Jan 2011 15:24:55 +0100
Subject: kthread: Replace deprecated spinlock initialization

SPIN_LOCK_UNLOCK is deprecated. Use the lockdep capable variant
instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/kthread.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'include/linux/kthread.h')

diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index ce0775aa64c3..7ff16f7d3ed4 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -64,7 +64,7 @@ struct kthread_work {
 };
 
 #define KTHREAD_WORKER_INIT(worker)	{				\
-	.lock = SPIN_LOCK_UNLOCKED,					\
+	.lock = __SPIN_LOCK_UNLOCKED((worker).lock),			\
 	.work_list = LIST_HEAD_INIT((worker).work_list),		\
 	}
 
-- 
cgit v1.2.3


From 207205a2ba2655652fe46a60b49838af6c16a919 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 22 Mar 2011 16:30:44 -0700
Subject: kthread: NUMA aware kthread_create_on_node()

All kthreads being created from a single helper task, they all use memory
from a single node for their kernel stack and task struct.

This patch suite creates kthread_create_on_node(), adding a 'cpu' parameter
to parameters already used by kthread_create().

This parameter serves in allocating memory for the new kthread on its
memory node if possible.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tejun Heo <tj@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/kthread.h | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'include/linux/kthread.h')

diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index 7ff16f7d3ed4..1e923e5e88e8 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -4,10 +4,15 @@
 #include <linux/err.h>
 #include <linux/sched.h>
 
-struct task_struct *kthread_create(int (*threadfn)(void *data),
-				   void *data,
-				   const char namefmt[], ...)
-	__attribute__((format(printf, 3, 4)));
+struct task_struct *kthread_create_on_node(int (*threadfn)(void *data),
+					   void *data,
+					   int node,
+					   const char namefmt[], ...)
+	__attribute__((format(printf, 4, 5)));
+
+#define kthread_create(threadfn, data, namefmt, arg...) \
+	kthread_create_on_node(threadfn, data, -1, namefmt, ##arg)
+
 
 /**
  * kthread_run - create and wake a thread.
@@ -34,6 +39,7 @@ void *kthread_data(struct task_struct *k);
 
 int kthreadd(void *unused);
 extern struct task_struct *kthreadd_task;
+extern int tsk_fork_get_node(struct task_struct *tsk);
 
 /*
  * Simple work processor based on kthread.
-- 
cgit v1.2.3