patch-2.4.0-test5 linux/kernel/fork.c

• Lines: 74
• Date: Thu Jul 27 16:47:16 2000
• Orig file: v2.4.0-test4/linux/kernel/fork.c
• Orig date: Mon Jul 10 16:47:27 2000

diff -u --recursive --new-file v2.4.0-test4/linux/kernel/fork.c linux/kernel/fork.c
@@ -35,9 +35,6 @@
 /* SLAB cache for mm_struct's. */
 kmem_cache_t *mm_cachep;
 
-/* SLAB cache for files structs */
-kmem_cache_t *files_cachep; 
-
 struct task_struct *pidhash[PIDHASH_SZ];
 
 /* UID task count cache, to prevent walking entire process list every
@@ -159,6 +156,33 @@
 	return 0;
 }
 
+void add_wait_queue(wait_queue_head_t *q, wait_queue_t * wait)
+{
+	unsigned long flags;
+
+	wq_write_lock_irqsave(&q->lock, flags);
+	__add_wait_queue(q, wait);
+	wq_write_unlock_irqrestore(&q->lock, flags);
+}
+
+void add_wait_queue_exclusive(wait_queue_head_t *q, wait_queue_t * wait)
+{
+	unsigned long flags;
+
+	wq_write_lock_irqsave(&q->lock, flags);
+	__add_wait_queue_tail(q, wait);
+	wq_write_unlock_irqrestore(&q->lock, flags);
+}
+
+void remove_wait_queue(wait_queue_head_t *q, wait_queue_t * wait)
+{
+	unsigned long flags;
+
+	wq_write_lock_irqsave(&q->lock, flags);
+	__remove_wait_queue(q, wait);
+	wq_write_unlock_irqrestore(&q->lock, flags);
+}
+
 void __init fork_init(unsigned long mempages)
 {
 	int i;
@@ -666,13 +690,6 @@
 	copy_flags(clone_flags, p);
 	p->pid = get_pid(clone_flags);
 
-	/*
-	 * This is a "shadow run" state. The process
-	 * is marked runnable, but isn't actually on
-	 * any run queue yet.. (that happens at the
-	 * very end).
-	 */
-	p->state = TASK_RUNNING;
 	p->run_list.next = NULL;
 	p->run_list.prev = NULL;
 
@@ -789,15 +806,4 @@
 bad_fork_free:
 	free_task_struct(p);
 	goto bad_fork;
-}
-
-void __init filescache_init(void)
-{
-	files_cachep = kmem_cache_create("files_cache", 
-					 sizeof(struct files_struct),
-					 0, 
-					 SLAB_HWCACHE_ALIGN,
-					 NULL, NULL);
-	if (!files_cachep) 
-		panic("Cannot create files cache");
 }