The quilt patch titled
Subject: sched: convert to vma iterator
has been removed from the -mm tree. Its filename was
sched-convert-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: sched: convert to vma iterator
Date: Fri, 20 Jan 2023 11:26:23 -0500
Use the vma iterator so that the iterator can be invalidated or updated to
avoid each caller doing so.
Link: https://lkml.kernel.org/r/20230120162650.984577-23-Liam.Howlett@xxxxxxxxxx
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sched/fair.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
--- a/kernel/sched/fair.c~sched-convert-to-vma-iterator
+++ a/kernel/sched/fair.c
@@ -2938,11 +2938,11 @@ static void task_numa_work(struct callba
struct task_struct *p = current;
struct mm_struct *mm = p->mm;
u64 runtime = p->se.sum_exec_runtime;
- MA_STATE(mas, &mm->mm_mt, 0, 0);
struct vm_area_struct *vma;
unsigned long start, end;
unsigned long nr_pte_updates = 0;
long pages, virtpages;
+ struct vma_iterator vmi;
SCHED_WARN_ON(p != container_of(work, struct task_struct, numa_work));
@@ -2995,16 +2995,16 @@ static void task_numa_work(struct callba
if (!mmap_read_trylock(mm))
return;
- mas_set(&mas, start);
- vma = mas_find(&mas, ULONG_MAX);
+ vma_iter_init(&vmi, mm, start);
+ vma = vma_next(&vmi);
if (!vma) {
reset_ptenuma_scan(p);
start = 0;
- mas_set(&mas, start);
- vma = mas_find(&mas, ULONG_MAX);
+ vma_iter_set(&vmi, start);
+ vma = vma_next(&vmi);
}
- for (; vma; vma = mas_find(&mas, ULONG_MAX)) {
+ do {
if (!vma_migratable(vma) || !vma_policy_mof(vma) ||
is_vm_hugetlb_page(vma) || (vma->vm_flags & VM_MIXEDMAP)) {
continue;
@@ -3051,7 +3051,7 @@ static void task_numa_work(struct callba
cond_resched();
} while (end != vma->vm_end);
- }
+ } for_each_vma(vmi, vma);
out:
/*
_
Patches currently in -mm which might be from Liam.Howlett@xxxxxxxxxx are
