mmap locking API: convert mmap_sem API comments

Convert comments that reference old mmap_sem APIs to reference
corresponding new mmap locking APIs instead.

Signed-off-by: Michel Lespinasse <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Vlastimil Babka <[email protected]>
Reviewed-by: Davidlohr Bueso <[email protected]>
Reviewed-by: Daniel Jordan <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: Jerome Glisse <[email protected]>
Cc: John Hubbard <[email protected]>
Cc: Laurent Dufour <[email protected]>
Cc: Liam Howlett <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ying Han <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>

1 files changed, 4 insertions, 4 deletions

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index af3de7a92a9f..3b5d78dfebe9 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -577,8 +577,8 @@ static bool oom_reap_task_mm(struct task_struct *tsk, struct mm_struct *mm)
 	/*
 	 * MMF_OOM_SKIP is set by exit_mmap when the OOM reaper can't
 	 * work on the mm anymore. The check for MMF_OOM_SKIP must run
-	 * under mmap_sem for reading because it serializes against the
-	 * down_write();up_write() cycle in exit_mmap().
+	 * under mmap_lock for reading because it serializes against the
+	 * mmap_write_lock();mmap_write_unlock() cycle in exit_mmap().
 	 */
 	if (test_bit(MMF_OOM_SKIP, &mm->flags)) {
 		trace_skip_task_reaping(tsk->pid);
@@ -611,7 +611,7 @@ static void oom_reap_task(struct task_struct *tsk)
 	int attempts = 0;
 	struct mm_struct *mm = tsk->signal->oom_mm;
 
-	/* Retry the down_read_trylock(mmap_sem) a few times */
+	/* Retry the mmap_read_trylock(mm) a few times */
 	while (attempts++ < MAX_OOM_REAP_RETRIES && !oom_reap_task_mm(tsk, mm))
 		schedule_timeout_idle(HZ/10);
 
@@ -629,7 +629,7 @@ done:
 
 	/*
 	 * Hide this mm from OOM killer because it has been either reaped or
-	 * somebody can't call up_write(mmap_sem).
+	 * somebody can't call mmap_write_unlock(mm).
 	 */
 	set_bit(MMF_OOM_SKIP, &mm->flags);