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| author |   Dan Williams <dan.j.williams@intel.com> | 2016-01-15 16:56:58 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-15 17:56:32 -0800 |
| commit | cbb38e41a931aaae5b2fef3b1c74d0d6f866b698 (patch) | |
| tree | a7c58d66c673740b1f072d3eed37779276ed2595 /mm/vmalloc.c | |
| parent | mm, x86: get_user_pages() for dax mappings (diff) | |
| download | wireguard-linux-cbb38e41a931aaae5b2fef3b1c74d0d6f866b698.tar.xz wireguard-linux-cbb38e41a931aaae5b2fef3b1c74d0d6f866b698.zip | |
dax: provide diagnostics for pmd mapping failures
There is a wide gamut of conditions that can trigger the dax pmd path to
fallback to pte mappings. Ideally we'd have a syscall interface to
determine mapping characteristics after the fact. In the meantime
provide debug messages.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Suggested-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
0 files changed, 0 insertions, 0 deletions