mm: kill vma flag VM_RESERVED and mm->reserved_vm counter

[karo-tx-linux.git] / security / selinux / selinuxfs.c

diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 3ad2902512888282e299b64434a7790d9788e060..c86d018f0e74cdc94732cc40fc1c1c01c69f4df1 100644 (file)
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -485,7 +485,7 @@ static int sel_mmap_policy(struct file *filp, struct vm_area_struct *vma)
                        return -EACCES;
        }
 
-       vma->vm_flags |= VM_RESERVED;
+       vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
        vma->vm_ops = &sel_mmap_policy_ops;
 
        return 0;
@@ -1297,7 +1297,7 @@ out:
 
 #define NULL_FILE_NAME "null"
 
-struct dentry *selinux_null;
+struct path selinux_null;
 
 static ssize_t sel_read_avc_cache_threshold(struct file *filp, char __user *buf,
                                            size_t count, loff_t *ppos)
@@ -1838,7 +1838,7 @@ static int sel_fill_super(struct super_block *sb, void *data, int silent)
 
        init_special_inode(inode, S_IFCHR | S_IRUGO | S_IWUGO, MKDEV(MEM_MAJOR, 3));
        d_add(dentry, inode);
-       selinux_null = dentry;
+       selinux_null.dentry = dentry;
 
        dentry = sel_make_dir(sb->s_root, "avc", &sel_last_ino);
        if (IS_ERR(dentry)) {
@@ -1912,7 +1912,7 @@ static int __init init_sel_fs(void)
                return err;
        }
 
-       selinuxfs_mount = kern_mount(&sel_fs_type);
+       selinux_null.mnt = selinuxfs_mount = kern_mount(&sel_fs_type);
        if (IS_ERR(selinuxfs_mount)) {
                printk(KERN_ERR "selinuxfs:  could not mount!\n");
                err = PTR_ERR(selinuxfs_mount);