NOMMU: Optimise away the {dac_,}mmap_min_addr tests

[mirror_ubuntu-zesty-kernel.git] / include / linux / security.h

diff --git a/include/linux/security.h b/include/linux/security.h
index 466cbadbd1efe1b5daa543d7bb99dd91d39aab08..2c627d361c023570a881b0b19adb509beadd2552 100644 (file)
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -95,8 +95,13 @@ struct seq_file;
 extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb);
 extern int cap_netlink_recv(struct sk_buff *skb, int cap);
 
+#ifdef CONFIG_MMU
 extern unsigned long mmap_min_addr;
 extern unsigned long dac_mmap_min_addr;
+#else
+#define dac_mmap_min_addr      0UL
+#endif
+
 /*
  * Values used in the task_security_ops calls
  */
@@ -121,6 +126,7 @@ struct request_sock;
 #define LSM_UNSAFE_PTRACE      2
 #define LSM_UNSAFE_PTRACE_CAP  4
 
+#ifdef CONFIG_MMU
 /*
  * If a hint addr is less than mmap_min_addr change hint to be as
  * low as possible but still greater than mmap_min_addr
@@ -135,6 +141,7 @@ static inline unsigned long round_hint_to_min(unsigned long hint)
 }
 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
                                 void __user *buffer, size_t *lenp, loff_t *ppos);
+#endif
 
 #ifdef CONFIG_SECURITY