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mmap locking API: convert mmap_sem comments

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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>
This commit is contained in:
Michel Lespinasse
2020-06-08 21:33:54 -07:00
committed by Linus Torvalds
parent 3e4e28c5a8
commit c1e8d7c6a7
113 changed files with 351 additions and 352 deletions
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4
kernel/sys.c
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@@ -2007,7 +2007,7 @@ static int prctl_set_mm_map(int opt, const void __user *addr, unsigned long data
}
/*
* arg_lock protects concurent updates but we still need mmap_sem for
* arg_lock protects concurent updates but we still need mmap_lock for
* read to exclude races with sys_brk.
*/
mmap_read_lock(mm);
@@ -2122,7 +2122,7 @@ static int prctl_set_mm(int opt, unsigned long addr,
/*
* arg_lock protects concurent updates of arg boundaries, we need
* mmap_sem for a) concurrent sys_brk, b) finding VMA for addr
* mmap_lock for a) concurrent sys_brk, b) finding VMA for addr
* validation.
*/
mmap_read_lock(mm);