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| author | Jan Kara | 2017-11-01 16:36:41 +0100 |
|---|---|---|
| committer | Dan Williams | 2017-11-03 14:26:25 +0100 |
| commit | b6fb293f2497a9841d94f6b57bd2bb2cd222da43 (patch) | |
| tree | 9ca796e1c964fbed568e7aa68dde7c3819fa344c /fs/proc/task_mmu.c | |
| parent | dax: Allow tuning whether dax_insert_mapping_entry() dirties entry (diff) | |
| download | kernel-qcow2-linux-b6fb293f2497a9841d94f6b57bd2bb2cd222da43.tar.gz kernel-qcow2-linux-b6fb293f2497a9841d94f6b57bd2bb2cd222da43.tar.xz kernel-qcow2-linux-b6fb293f2497a9841d94f6b57bd2bb2cd222da43.zip | |
mm: Define MAP_SYNC and VM_SYNC flags
Define new MAP_SYNC flag and corresponding VMA VM_SYNC flag. As the
MAP_SYNC flag is not part of LEGACY_MAP_MASK, currently it will be
refused by all MAP_SHARED_VALIDATE map attempts and silently ignored for
everything else.
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'fs/proc/task_mmu.c')
| -rw-r--r-- | fs/proc/task_mmu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 5589b4bd4b85..ea78b37deeaa 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -664,6 +664,7 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma) [ilog2(VM_ACCOUNT)] = "ac", [ilog2(VM_NORESERVE)] = "nr", [ilog2(VM_HUGETLB)] = "ht", + [ilog2(VM_SYNC)] = "sf", [ilog2(VM_ARCH_1)] = "ar", [ilog2(VM_WIPEONFORK)] = "wf", [ilog2(VM_DONTDUMP)] = "dd", |