tree 6d627db1b64dd2e99044aacb1700b8cf6e46f731
parent 7c414164593514f76b422faae0824bdd3754209b
author Matthew Wilcox <willy@linux.intel.com> 1441749525 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1441751728 -0700

thp: prepare for DAX huge pages

Add a vma_is_dax() helper macro to test whether the VMA is DAX, and use it
in zap_huge_pmd() and __split_huge_page_pmd().

[akpm@linux-foundation.org: fix build]
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>