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| author | Dan Williams <dan.j.williams@intel.com> | 2016-12-13 03:43:12 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-13 05:55:07 +0300 |
| commit | c1ef8e2c0235bffe4b0505c3325bb8a6af954021 (patch) | |
| tree | d4f4df30b5987170fda41b5af97df421bd8d7080 /include/linux/cma.h | |
| parent | c7142aead87aa5026e4b57671c7dbb1706b02606 (diff) | |
| download | linux-c1ef8e2c0235bffe4b0505c3325bb8a6af954021.tar.xz | |
mm: disable numa migration faults for dax vmas
Mark dax vmas as not migratable to exclude them from task_numa_work().
This is especially relevant for device-dax which wants to ensure
predictable access latency and not incur periodic faults.
[akpm@linux-foundation.org: add comment]
Link: http://lkml.kernel.org/r/147892450132.22062.16875659431109209179.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reported-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/cma.h')
0 files changed, 0 insertions, 0 deletions