[S390] implement is_compat_task

[linux-block.git] / arch / s390 / mm / fault.c

diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 833e8366c351d08238466e21f660c66dc47e0845..220a152c836ccf990c109bed1089d297e4ba76d6 100644 (file)
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -19,6 +19,7 @@
 #include <linux/ptrace.h>
 #include <linux/mman.h>
 #include <linux/mm.h>
+#include <linux/compat.h>
 #include <linux/smp.h>
 #include <linux/kdebug.h>
 #include <linux/smp_lock.h>
@@ -239,7 +240,7 @@ static int signal_return(struct mm_struct *mm, struct pt_regs *regs,
        up_read(&mm->mmap_sem);
        clear_tsk_thread_flag(current, TIF_SINGLE_STEP);
 #ifdef CONFIG_COMPAT
-       compat = test_tsk_thread_flag(current, TIF_31BIT);
+       compat = is_compat_task();
        if (compat && instruction == 0x0a77)
                sys32_sigreturn();
        else if (compat && instruction == 0x0aad)