[IA64] Hole in IA64 TLB flushing from system threads

[powerpc.git] / arch / ia64 / mm / tlb.c

diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index 41105d4..6a4eec9 100644 (file)
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -90,7 +90,7 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start,
 {
        static DEFINE_SPINLOCK(ptcg_lock);
 
-       if (mm != current->active_mm) {
+       if (mm != current->active_mm || !current->mm) {
                flush_tlb_all();
                return;
        }