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authorMichel Lespinasse <walken@google.com>2020-06-08 21:33:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-09 09:39:14 -0700
commit3e4e28c5a8f01ee4174d639e36ed155ade489a6f (patch)
tree5d440153b87f0416897f4f1a986248370354f986 /mm/memory.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/memory.c')
-rw-r--r--mm/memory.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 823982a8f0b0..4e2e17bb1281 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3323,10 +3323,10 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
* pte_offset_map() on pmds where a huge pmd might be created
* from a different thread.
*
- * pte_alloc_map() is safe to use under down_write(mmap_sem) or when
+ * pte_alloc_map() is safe to use under mmap_write_lock(mm) or when
* parallel threads are excluded by other means.
*
- * Here we only have down_read(mmap_sem).
+ * Here we only have mmap_read_lock(mm).
*/
if (pte_alloc(vma->vm_mm, vmf->pmd))
return VM_FAULT_OOM;