security: define round_hint_to_min in !CONFIG_SECURITY

Fix the header files to define round_hint_to_min() and to define
mmap_min_addr_handler() in the !CONFIG_SECURITY case.

Built and tested with !CONFIG_SECURITY
Signed-off-by: NEric Paris <eparis@redhat.com>
Signed-off-by: NJames Morris <jmorris@namei.org>

include/linux/security.h

@@ -121,6 +121,21 @@ struct request_sock;
 #define LSM_UNSAFE_PTRACE	2
 #define LSM_UNSAFE_PTRACE_CAP	4
 
+/*
+ * 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
+ */
+static inline unsigned long round_hint_to_min(unsigned long hint)
+{
+	hint &= PAGE_MASK;
+	if (((void *)hint != NULL) &&
+	    (hint < mmap_min_addr))
+		return PAGE_ALIGN(mmap_min_addr);
+	return hint;
+}
+extern int mmap_min_addr_handler(struct ctl_table *table, int write, struct file *filp,
+				 void __user *buffer, size_t *lenp, loff_t *ppos);
+
 #ifdef CONFIG_SECURITY
 
 struct security_mnt_opts {
@@ -149,21 +164,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
 	opts->num_mnt_opts = 0;
 }
 
-/*
- * 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
- */
-static inline unsigned long round_hint_to_min(unsigned long hint)
-{
-	hint &= PAGE_MASK;
-	if (((void *)hint != NULL) &&
-	    (hint < mmap_min_addr))
-		return PAGE_ALIGN(mmap_min_addr);
-	return hint;
-}
-
-extern int mmap_min_addr_handler(struct ctl_table *table, int write, struct file *filp,
-				 void __user *buffer, size_t *lenp, loff_t *ppos);
 /**
  * struct security_operations - main security structure
  *