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| author | Michel Lespinasse <walken@google.com> | 2020-06-09 07:33:54 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-09 19:39:14 +0300 |
| commit | c1e8d7c6a7a682e1405e3e242d32fc377fd196ff (patch) | |
| tree | ef02402b77990834fbb5bdb1f146fc0393cc8987 /mm/migrate.c | |
| parent | 3e4e28c5a8f01ee4174d639e36ed155ade489a6f (diff) | |
| download | linux-c1e8d7c6a7a682e1405e3e242d32fc377fd196ff.tar.xz | |
mmap locking API: convert mmap_sem comments
Convert comments that reference mmap_sem to reference mmap_lock instead.
[akpm@linux-foundation.org: fix up linux-next leftovers]
[akpm@linux-foundation.org: s/lockaphore/lock/, per Vlastimil]
[akpm@linux-foundation.org: more linux-next fixups, per Michel]
Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Laurent Dufour <ldufour@linux.ibm.com>
Cc: Liam Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ying Han <yinghan@google.com>
Link: http://lkml.kernel.org/r/20200520052908.204642-13-walken@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/migrate.c')
| -rw-r--r-- | mm/migrate.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index f69b09e0829c..f37729673558 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2120,7 +2120,7 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm, * pmd before doing set_pmd_at(), nor to flush the TLB after * set_pmd_at(). Clearing the pmd here would introduce a race * condition against MADV_DONTNEED, because MADV_DONTNEED only holds the - * mmap_sem for reading. If the pmd is set to NULL at any given time, + * mmap_lock for reading. If the pmd is set to NULL at any given time, * MADV_DONTNEED won't wait on the pmd lock and it'll skip clearing this * pmd. */ @@ -2675,7 +2675,7 @@ restore: * have the MIGRATE_PFN_MIGRATE flag set for their src array entry. * * It is safe to update device page table after migrate_vma_pages() because - * both destination and source page are still locked, and the mmap_sem is held + * both destination and source page are still locked, and the mmap_lock is held * in read mode (hence no one can unmap the range being migrated). * * Once the caller is done cleaning up things and updating its page table (if it |