From 22155914b66b348b7113a0b3baf96a72bd3f643d Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Fri, 8 Dec 2006 15:53:49 +0100
Subject: [PATCH] [S390] uaccess_pt: add missing down_read() and convert to
 is_init().

Doesn't seem to be a good idea to duplicate code :)

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/lib/uaccess_pt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index 8741bdc092..633249c3ba 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -8,8 +8,8 @@
  */
 
 #include <linux/errno.h>
-#include <asm/uaccess.h>
 #include <linux/mm.h>
+#include <asm/uaccess.h>
 #include <asm/futex.h>
 
 static inline int __handle_fault(struct mm_struct *mm, unsigned long address,
@@ -60,8 +60,9 @@ out:
 
 out_of_memory:
 	up_read(&mm->mmap_sem);
-	if (current->pid == 1) {
+	if (is_init(current)) {
 		yield();
+		down_read(&mm->mmap_sem);
 		goto survive;
 	}
 	printk("VM: killing process %s\n", current->comm);
-- 
2.39.5