The quilt patch titled
Subject: mm: add vma_iter_{next,prev}_range() to vma iterator
has been removed from the -mm tree. Its filename was
mm-add-vma_iter_nextprev_range-to-vma-iterator.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>
Subject: mm: add vma_iter_{next,prev}_range() to vma iterator
Date: Thu, 18 May 2023 10:55:43 -0400
Add functionality to the VMA iterator to advance and retreat one offset
within the maple tree, regardless of the value contained. This can lead
to less re-walking to find an area of interest, especially when there is
nothing in that offset.
Link: https://lkml.kernel.org/r/20230518145544.1722059-35-Liam.Howlett@xxxxxxxxxx
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: David Binderman <dcb314@xxxxxxxxxxx>
Cc: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
Cc: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Cc: Vernon Yang <vernon2gm@xxxxxxxxx>
Cc: Wei Yang <richard.weiyang@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
--- a/include/linux/mm.h~mm-add-vma_iter_nextprev_range-to-vma-iterator
+++ a/include/linux/mm.h
@@ -866,11 +866,24 @@ static inline struct vm_area_struct *vma
return mas_find(&vmi->mas, ULONG_MAX);
}
+static inline
+struct vm_area_struct *vma_iter_next_range(struct vma_iterator *vmi)
+{
+ return mas_next_range(&vmi->mas, ULONG_MAX);
+}
+
+
static inline struct vm_area_struct *vma_prev(struct vma_iterator *vmi)
{
return mas_prev(&vmi->mas, 0);
}
+static inline
+struct vm_area_struct *vma_iter_prev_range(struct vma_iterator *vmi)
+{
+ return mas_prev_range(&vmi->mas, 0);
+}
+
static inline unsigned long vma_iter_addr(struct vma_iterator *vmi)
{
return vmi->mas.index;
_
Patches currently in -mm which might be from Liam.Howlett@xxxxxxxxxx are
mm-mprotect-fix-do_mprotect_pkey-limit-check.patch
maple_tree-add-benchmarking-for-mas_for_each.patch
maple_tree-add-benchmarking-for-mas_prev.patch
mm-move-unmap_vmas-declaration-to-internal-header.patch
mm-change-do_vmi_align_munmap-side-tree-index.patch
mm-remove-prev-check-from-do_vmi_align_munmap.patch
maple_tree-introduce-__mas_set_range.patch
mm-remove-re-walk-from-mmap_region.patch
maple_tree-re-introduce-entry-to-mas_preallocate-arguments.patch
mm-use-vma_iter_clear_gfp-in-nommu.patch
mm-set-up-vma-iterator-for-vma_iter_prealloc-calls.patch
maple_tree-move-mas_wr_end_piv-below-mas_wr_extend_null.patch
maple_tree-update-mas_preallocate-testing.patch
maple_tree-refine-mas_preallocate-node-calculations.patch
mm-mmap-change-vma-iteration-order-in-do_vmi_align_munmap.patch
userfaultfd-fix-regression-in-userfaultfd_unmap_prep.patch
