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-rw-r--r--kernel/sys.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 3dcf1de0eb7..126b7c939d1 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2101,7 +2101,7 @@ static int prctl_get_tid_address(struct task_struct *me, int __user **tid_addr)
}
#endif
-
+#ifdef CONFIG_MMU
static int prctl_update_vma_anon_name(struct vm_area_struct *vma,
struct vm_area_struct **prev,
unsigned long start, unsigned long end,
@@ -2240,6 +2240,13 @@ static int prctl_set_vma(unsigned long opt, unsigned long start,
return error;
}
+#else /* CONFIG_MMU */
+static int prctl_set_vma(unsigned long opt, unsigned long start,
+ unsigned long len_in, unsigned long arg)
+{
+ return -EINVAL;
+}
+#endif
SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
unsigned long, arg4, unsigned long, arg5)