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>

1 files changed, 5 insertions, 5 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 256c4b5b3b11..dc7b87310c10 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -402,7 +402,7 @@ extern pgprot_t protection_map[16];
  * @FAULT_FLAG_WRITE: Fault was a write fault.
  * @FAULT_FLAG_MKWRITE: Fault was mkwrite of existing PTE.
  * @FAULT_FLAG_ALLOW_RETRY: Allow to retry the fault if blocked.
- * @FAULT_FLAG_RETRY_NOWAIT: Don't drop mmap_sem and wait when retrying.
+ * @FAULT_FLAG_RETRY_NOWAIT: Don't drop mmap_lock and wait when retrying.
  * @FAULT_FLAG_KILLABLE: The fault task is in SIGKILL killable region.
  * @FAULT_FLAG_TRIED: The fault has been tried once.
  * @FAULT_FLAG_USER: The fault originated in userspace.
@@ -452,10 +452,10 @@ extern pgprot_t protection_map[16];
  * fault_flag_allow_retry_first - check ALLOW_RETRY the first time
  *
  * This is mostly used for places where we want to try to avoid taking
- * the mmap_sem for too long a time when waiting for another condition
+ * the mmap_lock for too long a time when waiting for another condition
  * to change, in which case we can try to be polite to release the
- * mmap_sem in the first round to avoid potential starvation of other
- * processes that would also want the mmap_sem.
+ * mmap_lock in the first round to avoid potential starvation of other
+ * processes that would also want the mmap_lock.
  *
  * Return: true if the page fault allows retry and this is the first
  * attempt of the fault handling; false otherwise.
@@ -582,7 +582,7 @@ struct vm_operations_struct {
 	 * (vma,addr) marked as MPOL_SHARED.  The shared policy infrastructure
 	 * in mm/mempolicy.c will do this automatically.
 	 * get_policy() must NOT add a ref if the policy at (vma,addr) is not
-	 * marked as MPOL_SHARED. vma policies are protected by the mmap_sem.
+	 * marked as MPOL_SHARED. vma policies are protected by the mmap_lock.
 	 * If no [shared/vma] mempolicy exists at the addr, get_policy() op
 	 * must return NULL--i.e., do not "fallback" to task or system default
 	 * policy.