dax: re-enable dax pmd mappings
authorDan Williams <dan.j.williams@intel.com>
Sat, 16 Jan 2016 00:57:01 +0000 (16:57 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 16 Jan 2016 01:56:32 +0000 (17:56 -0800)
commitc046c321cb4a0bdac9fb922db3859893ca556d27
tree0765c98adba09720480e9639ec4c51eab442c95d
parentcbb38e41a931aaae5b2fef3b1c74d0d6f866b698
dax: re-enable dax pmd mappings

Now that the get_user_pages() path knows how to handle dax-pmd mappings,
remove the protections that disabled dax-pmd support.

Tests available from github.com/pmem/ndctl:

    make TESTS="lib/test-dax.sh lib/test-mmap.sh" check

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/Kconfig
fs/dax.c