linux-kernel - [6/10 PATCH] inline default_wake

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Date:	Tue, 24 Jun 2008 01:59:12 -0400 (EDT)
From:	Mikulas Patocka <mpatocka@...hat.com>
To:	linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org
cc:	davem@...emloft.net
Subject: [6/10 PATCH] inline default_wake_function

Make autoremove_wake_function -> default_wake_function call inlined.

default_wake_function cannot be put as static inline into headers, because
reference to it is taken at some places.

Signed-off-by: Mikulas Patocka <mpatocka@...hat.com>

Index: linux-2.6.26-rc7-devel/kernel/sched.c
===================================================================
--- linux-2.6.26-rc7-devel.orig/kernel/sched.c	2008-06-24 07:37:31.000000000 +0200
+++ linux-2.6.26-rc7-devel/kernel/sched.c	2008-06-24 07:37:36.000000000 +0200
@@ -4268,13 +4268,23 @@

  #endif /* CONFIG_PREEMPT */

-int default_wake_function(wait_queue_t *curr, unsigned mode, int sync,
-			  void *key)
+__always_inline int default_wake_function(wait_queue_t *curr, unsigned mode,
+					  int sync, void *key)
  {
  	return try_to_wake_up(curr->private, mode, sync);
  }
  EXPORT_SYMBOL(default_wake_function);

+int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key)
+{
+	int ret = default_wake_function(wait, mode, sync, key);
+
+	if (ret)
+		list_del_init(&wait->task_list);
+	return ret;
+}
+EXPORT_SYMBOL(autoremove_wake_function);
+
  /*
   * The core wakeup function. Non-exclusive wakeups (nr_exclusive == 0) just
   * wake everything up. If it's an exclusive wakeup (nr_exclusive == small +ve
Index: linux-2.6.26-rc7-devel/kernel/wait.c
===================================================================
--- linux-2.6.26-rc7-devel.orig/kernel/wait.c	2008-06-24 07:37:25.000000000 +0200
+++ linux-2.6.26-rc7-devel/kernel/wait.c	2008-06-24 07:37:36.000000000 +0200
@@ -127,16 +127,6 @@
  }
  EXPORT_SYMBOL(finish_wait);

-int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key)
-{
-	int ret = default_wake_function(wait, mode, sync, key);
-
-	if (ret)
-		list_del_init(&wait->task_list);
-	return ret;
-}
-EXPORT_SYMBOL(autoremove_wake_function);
-
  int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *arg)
  {
  	struct wait_bit_key *key = arg;
Index: linux-2.6.26-rc7-devel/include/linux/wait.h
===================================================================
--- linux-2.6.26-rc7-devel.orig/include/linux/wait.h	2008-06-24 07:37:31.000000000 +0200
+++ linux-2.6.26-rc7-devel/include/linux/wait.h	2008-06-24 07:37:36.000000000 +0200
@@ -63,7 +63,7 @@

  typedef struct __wait_queue wait_queue_t;
  typedef int (*wait_queue_func_t)(wait_queue_t *wait, unsigned mode, int sync, void *key);
-int default_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
+__always_inline int default_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key);

  struct __wait_queue {
  	unsigned int flags;

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