Pull x86 mm updates from Ingo Molnar:

 - Make cpumask_of_node() more robust against invalid node IDs

 - Simplify and speed up load_mm_cr4()

 - Unexport and remove various unused set_memory_*() APIs

 - Misc cleanups

* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Fix cpumask_of_node() error condition
  x86/mm: Remove the unused set_memory_wt() function
  x86/mm: Remove set_pages_x() and set_pages_nx()
  x86/mm: Remove the unused set_memory_array_*() functions
  x86/mm: Unexport set_memory_x() and set_memory_nx()
  x86/fixmap: Cleanup outdated comments
  x86/kconfig: Remove X86_DIRECT_GBPAGES dependency on !DEBUG_PAGEALLOC
  x86/mm: Avoid redundant interrupt disable in load_mm_cr4()