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authorJason Gunthorpe <jgg@nvidia.com>2023-01-24 21:34:28 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-02-10 01:51:44 +0100
commit6e4382c706f7701c4e4e430ebc9f817eeda64857 (patch)
tree3b0f6e14a60f48eadcbfcdf2ed4c0f428d0c34e8 /mm/gup.c
parentmm/gup: add an assertion that the mmap lock is locked (diff)
downloadlinux-6e4382c706f7701c4e4e430ebc9f817eeda64857.tar.xz
linux-6e4382c706f7701c4e4e430ebc9f817eeda64857.zip
mm/gup: remove locked being NULL from faultin_vma_page_range()
The only caller of this function always passes in a non-NULL locked, so just remove this obsolete comment. Link: https://lkml.kernel.org/r/7-v2-987e91b59705+36b-gup_tidy_jgg@nvidia.com Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Claudio Imbrenda <imbrenda@linux.ibm.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Howells <dhowells@redhat.com> Cc: Mike Rapoport (IBM) <rppt@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/gup.c')
-rw-r--r--mm/gup.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/gup.c b/mm/gup.c
index bc3f56b7621e..3afcd042f426 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1558,12 +1558,7 @@ long populate_vma_page_range(struct vm_area_struct *vma,
* code on error (see __get_user_pages()).
*
* vma->vm_mm->mmap_lock must be held. The range must be page-aligned and
- * covered by the VMA.
- *
- * If @locked is NULL, it may be held for read or write and will be unperturbed.
- *
- * If @locked is non-NULL, it must held for read only and may be released. If
- * it's released, *@locked will be set to 0.
+ * covered by the VMA. If it's released, *@locked will be set to 0.
*/
long faultin_vma_page_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end, bool write, int *locked)