From 3e4e28c5a8f01ee4174d639e36ed155ade489a6f Mon Sep 17 00:00:00 2001
From: Michel Lespinasse <walken@google.com>
Date: Mon, 8 Jun 2020 21:33:51 -0700
Subject: 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 <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Davidlohr Bueso <dbueso@suse.de>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
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/20200520052908.204642-12-walken@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/gup.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'mm/gup.c')

diff --git a/mm/gup.c b/mm/gup.c
index 762fb9f733b2..bbb8851f4656 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1993,19 +1993,19 @@ EXPORT_SYMBOL(get_user_pages);
 /**
  * get_user_pages_locked() is suitable to replace the form:
  *
- *      down_read(&mm->mmap_sem);
+ *      mmap_read_lock(mm);
  *      do_something()
  *      get_user_pages(tsk, mm, ..., pages, NULL);
- *      up_read(&mm->mmap_sem);
+ *      mmap_read_unlock(mm);
  *
  *  to:
  *
  *      int locked = 1;
- *      down_read(&mm->mmap_sem);
+ *      mmap_read_lock(mm);
  *      do_something()
  *      get_user_pages_locked(tsk, mm, ..., pages, &locked);
  *      if (locked)
- *          up_read(&mm->mmap_sem);
+ *          mmap_read_unlock(mm);
  *
  * @start:      starting user address
  * @nr_pages:   number of pages from start to pin
@@ -2050,9 +2050,9 @@ EXPORT_SYMBOL(get_user_pages_locked);
 /*
  * get_user_pages_unlocked() is suitable to replace the form:
  *
- *      down_read(&mm->mmap_sem);
+ *      mmap_read_lock(mm);
  *      get_user_pages(tsk, mm, ..., pages, NULL);
- *      up_read(&mm->mmap_sem);
+ *      mmap_read_unlock(mm);
  *
  *  with:
  *
-- 
cgit v1.2.3-70-g09d2