diff options
| author | Michel Lespinasse <walken@google.com> | 2020-06-08 21:33:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-09 09:39:14 -0700 |
| commit | c1e8d7c6a7a682e1405e3e242d32fc377fd196ff (patch) | |
| tree | ef02402b77990834fbb5bdb1f146fc0393cc8987 /mm/mremap.c | |
| parent | 3e4e28c5a8f01ee4174d639e36ed155ade489a6f (diff) | |
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>
Diffstat (limited to 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index 0a2f0efd2939..5dd572d57ca9 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -146,7 +146,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, /* * We don't have to worry about the ordering of src and dst - * pte locks because exclusive mmap_sem prevents deadlock. + * pte locks because exclusive mmap_lock prevents deadlock. */ old_pte = pte_offset_map_lock(mm, old_pmd, old_addr, &old_ptl); new_pte = pte_offset_map(new_pmd, new_addr); @@ -213,7 +213,7 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr, /* * We don't have to worry about the ordering of src and dst - * ptlocks because exclusive mmap_sem prevents deadlock. + * ptlocks because exclusive mmap_lock prevents deadlock. */ old_ptl = pmd_lock(vma->vm_mm, old_pmd); new_ptl = pmd_lockptr(mm, new_pmd); @@ -710,7 +710,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, * Always allow a shrinking remap: that just unmaps * the unnecessary pages.. * __do_munmap does all the needed commit accounting, and - * downgrades mmap_sem to read if so directed. + * downgrades mmap_lock to read if so directed. */ if (old_len >= new_len) { int retval; @@ -720,7 +720,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, if (retval < 0 && old_len != new_len) { ret = retval; goto out; - /* Returning 1 indicates mmap_sem is downgraded to read. */ + /* Returning 1 indicates mmap_lock is downgraded to read. */ } else if (retval == 1) downgraded = true; ret = addr; |