diff --git a/include/linux/mm.h b/include/linux/mm.h
index 18b4a63..5c6d916 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1581,10 +1581,10 @@
 extern struct vm_area_struct *get_gate_vma(struct mm_struct *mm);
 #ifdef	__HAVE_ARCH_GATE_AREA
 int in_gate_area_no_task(unsigned long addr);
-int in_gate_area(struct task_struct *task, unsigned long addr);
+int in_gate_area(struct mm_struct *mm, unsigned long addr);
 #else
 int in_gate_area_no_task(unsigned long addr);
-#define in_gate_area(task, addr) ({(void)task; in_gate_area_no_task(addr);})
+#define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_task(addr);})
 #endif	/* __HAVE_ARCH_GATE_AREA */
 
 int drop_caches_sysctl_handler(struct ctl_table *, int,