diff -Nru link/include/asm-mips/mmu_context.h.orig link/include/asm-mips/mmu_context.h
--- link/include/asm-mips/mmu_context.h.orig	Thu Feb 20 10:22:57 2003
+++ link/include/asm-mips/mmu_context.h	Wed Feb 26 17:27:58 2003
@@ -134,7 +134,11 @@
 
 	write_c0_entryhi(cpu_context(smp_processor_id(), next));
 	TLBMISS_HANDLER_SETUP_PGD(next->pgd);
-	
+
+	/* mark mmu ownership change */	
+	clear_bit(cpu, &prev->cpu_vm_mask);
+	set_bit(cpu, &next->cpu_vm_mask);
+
 	local_irq_restore(flags);
 }
 
diff -Nru link/include/asm-mips64/mmu_context.h.orig link/include/asm-mips64/mmu_context.h
--- link/include/asm-mips64/mmu_context.h.orig	Thu Feb 20 10:23:10 2003
+++ link/include/asm-mips64/mmu_context.h	Wed Feb 26 17:21:28 2003
@@ -125,7 +125,11 @@
 
 	write_c0_entryhi(cpu_context(smp_processor_id(), next));
 	TLBMISS_HANDLER_SETUP_PGD(next->pgd);
-	
+
+	/* mark mmu ownership change */ 
+	clear_bit(cpu, &prev->cpu_vm_mask);
+	set_bit(cpu, &next->cpu_vm_mask);
+
 	local_irq_restore(flags);
 }