mm: introduce __p4d_alloc()
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Thu, 9 Mar 2017 14:24:08 +0000 (17:24 +0300)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 9 Mar 2017 19:48:48 +0000 (11:48 -0800)
commit90eceff1a375f6ffa78caf8654e787c0a8a591ef
treea3fa46c32dc6b45dc99559eafa937ff4c4d2f1d7
parentc2febafc67734a62196c1b9dfba926412d4077ba
mm: introduce __p4d_alloc()

For full 5-level paging we need a helper to allocate p4d page table.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/memory.c