+ mm-gup-remove-locked-being-null-from-faultin_vma_page_range.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm/gup: remove locked being NULL from faultin_vma_page_range()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-gup-remove-locked-being-null-from-faultin_vma_page_range.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-gup-remove-locked-being-null-from-faultin_vma_page_range.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Jason Gunthorpe <jgg@nvidia.com>
Subject: mm/gup: remove locked being NULL from faultin_vma_page_range()
Date: Tue, 24 Jan 2023 16:34:28 -0400

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>
---


--- a/mm/gup.c~mm-gup-remove-locked-being-null-from-faultin_vma_page_range
+++ a/mm/gup.c
@@ -1558,12 +1558,7 @@ long populate_vma_page_range(struct vm_a
  * 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)
_

Patches currently in -mm which might be from jgg@nvidia.com are

mm-gup-have-internal-functions-get-the-mmap_read_lock.patch
mm-gup-remove-obsolete-foll_longterm-comment.patch
mm-gup-dont-call-__gup_longterm_locked-if-foll_longterm-cannot-be-set.patch
mm-gup-move-try_grab_page-to-mm-internalh.patch
mm-gup-simplify-the-external-interface-functions-and-consolidate-invariants.patch
mm-gup-add-an-assertion-that-the-mmap-lock-is-locked.patch
mm-gup-remove-locked-being-null-from-faultin_vma_page_range.patch
mm-gup-add-foll_unlockable.patch
mm-gup-make-locked-never-null-in-the-internal-gup-functions.patch
mm-gup-remove-pin_user_pages_fast_only.patch
mm-gup-make-get_user_pages_fast_only-return-the-common-return-value.patch
mm-gup-move-gup_must_unshare-to-mm-internalh.patch
mm-gup-move-private-gup-foll_-flags-to-internalh.patch