patch-2.4.21 linux-2.4.21/arch/ia64/kernel/smp.c

• Lines: 23
• Date: 2003-06-13 07:51:29.000000000 -0700
• Orig file: linux-2.4.20/arch/ia64/kernel/smp.c
• Orig date: 2002-11-28 15:53:09.000000000 -0800

diff -urN linux-2.4.20/arch/ia64/kernel/smp.c linux-2.4.21/arch/ia64/kernel/smp.c
@@ -188,8 +188,20 @@
 void
 smp_flush_tlb_all (void)
 {
-	smp_call_function ((void (*)(void *))__flush_tlb_all,0,1,1);
-	__flush_tlb_all();
+	smp_call_function((void (*)(void *))local_flush_tlb_all, 0, 1, 1);
+	local_flush_tlb_all();
+}
+
+void
+smp_flush_tlb_mm (struct mm_struct *mm)
+{
+	local_flush_tlb_mm(mm);
+
+	/* this happens for the common case of a single-threaded fork():  */
+	if (likely(mm == current->active_mm && atomic_read(&mm->mm_users) == 1))
+		return;
+
+	smp_call_function((void (*)(void *))local_flush_tlb_mm, mm, 1, 1);
 }
 
 /*