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| author | Toshi Kani <toshi.kani@hpe.com> | 2016-10-07 16:59:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-07 18:46:28 -0700 |
| commit | dbe6ec815641aa22b50775aaeb47fa3a8d04ccf1 (patch) | |
| tree | 1be0e5c97f961a4a801fc417fde178707b93010b /mm | |
| parent | 74d2fad1334d12bac8fe017aba598dd66c86628b (diff) | |
| download | linux-dbe6ec815641aa22b50775aaeb47fa3a8d04ccf1.tar.bz2 | |
ext2/4, xfs: call thp_get_unmapped_area() for pmd mappings
To support DAX pmd mappings with unmodified applications, filesystems
need to align an mmap address by the pmd size.
Call thp_get_unmapped_area() from f_op->get_unmapped_area.
Note, there is no change in behavior for a non-DAX file.
Link: http://lkml.kernel.org/r/1472497881-9323-3-git-send-email-toshi.kani@hpe.com
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions