Make sched-remove-degenerate-domains.patch actually work.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>


Catch more (hopefully all) cases.

Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>

Index: linux-2.6/kernel/sched.c
===================================================================
--- linux-2.6.orig/kernel/sched.c	2005-04-15 22:52:25.000000000 +1000
+++ linux-2.6/kernel/sched.c	2005-04-15 22:58:54.000000000 +1000
@@ -4844,7 +4844,14 @@ static int __devinit sd_parent_degenerat
 	/* WAKE_BALANCE is a subset of WAKE_AFFINE */
 	if (cflags & SD_WAKE_AFFINE)
 		pflags &= ~SD_WAKE_BALANCE;
-	if ((~sd->flags) & parent->flags)
+	/* Flags needing groups don't count if only 1 group in parent */
+	if (parent->groups == parent->groups->next) {
+		pflags &= ~(SD_LOAD_BALANCE |
+				SD_BALANCE_NEWIDLE |
+				SD_BALANCE_FORK |
+				SD_BALANCE_EXEC);
+	}
+	if (~cflags & pflags)
 		return 0;
 
 	return 1;