Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6

[net-next-2.6.git] / arch / s390 / include / asm / tlbflush.h

diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index 304cffa623e158041e128c738999abbed1d3aa5b..29d5d6d4becc7e12a4a5a0b9801a0de554c44b68 100644 (file)
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -94,8 +94,12 @@ static inline void __tlb_flush_mm(struct mm_struct * mm)
 
 static inline void __tlb_flush_mm_cond(struct mm_struct * mm)
 {
-       if (atomic_read(&mm->mm_users) <= 1 && mm == current->active_mm)
+       spin_lock(&mm->page_table_lock);
+       if (mm->context.flush_mm) {
                __tlb_flush_mm(mm);
+               mm->context.flush_mm = 0;
+       }
+       spin_unlock(&mm->page_table_lock);
 }
 
 /*