[patch 34/56] openmosix/openmosix-alloc_fd_bitmap-spinlock-protection.patch

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Index: linux/hpc/kcom.c
===================================================================
--- linux.orig/hpc/kcom.c	2006-11-02 22:51:58.000000000 +0100
+++ linux/hpc/kcom.c	2006-11-02 22:52:23.000000000 +0100
@@ -143,10 +143,10 @@
 		return 0;
 
 	n = max(fd,max(fd4, fd6));
-	// spin_lock(&kcom_nodes_lock);
-	list_for_each_entry(node, &kcom_nodes, list)
-		n = max(node->fd, n);
-	// spin_unlock(&kcom_nodes_lock);
+
+	read_lock(&kcom_nodes_lock);
+	list_for_each_entry(node, &kcom_nodes, list) n = max(node->fd, n);
+	read_unlock(&kcom_nodes_lock);
 
 
 	maxfds = n;