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authorMichel Lespinasse2020-06-08 21:33:51 -0700
committerLinus Torvalds2020-06-09 09:39:14 -0700
commit3e4e28c5a8f01ee4174d639e36ed155ade489a6f (patch)
tree5d440153b87f0416897f4f1a986248370354f986 /mm/gup.c
parentda1c55f1b272f4bd54671d459b39ea7b54944ef9 (diff)
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>
Diffstat (limited to 'mm/gup.c')
-rw-r--r--mm/gup.c12
1 files changed, 6 insertions, 6 deletions
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:
*