Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6:
  VM/Security: add security hook to do_brk
  Security: round mmap hint address above mmap_min_addr
  security: protect from stack expantion into low vm addresses
  Security: allow capable check to permit mmap or low vm space
  SELinux: detect dead booleans
  SELinux: do not clear f_op when removing entries