From ca5cc01ec3aab5b0dbc8337ca213319cd434b830 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 3 Jul 2009 08:44:34 -0500
Subject: [PATCH] x86: No pageattr_flush_unused on RT

commit 99fddf28a45f6c47f94fd694ae60e45e55ef4bfd in tip.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 1d4eb93..a84a759 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -861,8 +861,10 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages,
 		baddr = *addr;
 	}
 
+#if 0
 	/* Must avoid aliasing mappings in the highmem code */
 	kmap_flush_unused();
+#endif
 
 	vm_unmap_aliases();
 
-- 
1.7.1.1