The patch titled
Subject: mm-disable-numa-migration-faults-for-dax-vmas-fix
has been added to the -mm tree. Its filename is
mm-disable-numa-migration-faults-for-dax-vmas-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-disable-numa-migration-faults-for-dax-vmas-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-disable-numa-migration-faults-for-dax-vmas-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-disable-numa-migration-faults-for-dax-vmas-fix
add comment
Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mempolicy.h | 4 ++++
1 file changed, 4 insertions(+)
diff -puN include/linux/mempolicy.h~mm-disable-numa-migration-faults-for-dax-vmas-fix include/linux/mempolicy.h
--- a/include/linux/mempolicy.h~mm-disable-numa-migration-faults-for-dax-vmas-fix
+++ a/include/linux/mempolicy.h
@@ -180,6 +180,10 @@ static inline bool vma_migratable(struct
if (vma->vm_flags & (VM_IO | VM_PFNMAP))
return false;
+ /*
+ * DAX device mappings require predictable access latency, so avoid
+ * incurring periodic faults.
+ */
if (vma_is_dax(vma))
return false;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
prctl-remove-one-shot-limitation-for-changing-exe-link-fix.patch
mm.patch
mm-compaction-allow-compaction-for-gfp_nofs-requests-fix.patch
mm-mempolicy-clean-up-__gfp_thisnode-confusion-in-policy_zonelist-checkpatch-fixes.patch
mm-unexport-__get_user_pages_unlocked-checkpatch-fixes.patch
mm-disable-numa-migration-faults-for-dax-vmas-fix.patch
scripts-checkpatchpl-fix-spelling.patch
debug-more-properly-delay-for-secondary-cpus-fix.patch
ipc-sem-rework-task-wakeups-checkpatch-fixes.patch
ipc-sem-optimize-perform_atomic_semop-checkpatch-fixes.patch
ipc-sem-simplify-wait-wake-loop-checkpatch-fixes.patch
linux-next-git-rejects.patch
linux-next-rejects.patch
drivers-net-wireless-intel-iwlwifi-dvm-calibc-fix-min-warning.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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