diff options
| author | David Hildenbrand <david@redhat.com> | 2026-01-16 14:19:13 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-02-06 16:42:03 +0100 |
| commit | f87f4de092c7a23a2a3795a77ee3c27140c854ff (patch) | |
| tree | af8be01d3c91f8f91466d0d9aa146d49b6924f59 /include | |
| parent | f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec (diff) | |
mm/pagewalk: add walk_page_range_vma()
[ Upstream commit e07cda5f232fac4de0925d8a4c92e51e41fa2f6e ]
Let's add walk_page_range_vma(), which is similar to walk_page_vma(),
however, is only interested in a subset of the VMA range.
To be used in KSM code to stop using follow_page() next.
Link: https://lkml.kernel.org/r/20221021101141.84170-8-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Stable-dep-of: f5548c318d6 ("ksm: use range-walk function to jump over holes in scan_get_next_rmap_item")
Signed-off-by: Pedro Demarchi Gomes <pedrodemargomes@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pagewalk.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pagewalk.h b/include/linux/pagewalk.h index ac7b38ad5903..cfeedc69461e 100644 --- a/include/linux/pagewalk.h +++ b/include/linux/pagewalk.h @@ -99,6 +99,9 @@ int walk_page_range_novma(struct mm_struct *mm, unsigned long start, unsigned long end, const struct mm_walk_ops *ops, pgd_t *pgd, void *private); +int walk_page_range_vma(struct vm_area_struct *vma, unsigned long start, + unsigned long end, const struct mm_walk_ops *ops, + void *private); int walk_page_vma(struct vm_area_struct *vma, const struct mm_walk_ops *ops, void *private); int walk_page_mapping(struct address_space *mapping, pgoff_t first_index, |