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| author | Liam R. Howlett <Liam.Howlett@Oracle.com> | 2023-01-20 11:26:23 -0500 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-09 16:51:34 -0800 |
| commit | 214dbc4281374cbbd833edd502d0ed1fd1b0e243 (patch) | |
| tree | 2239cb664048388aab0148f1a6fbd715568ee7c3 | |
| parent | 250cb40f0afee232d8573d7b1d8bc56d4b92f63e (diff) | |
| download | linux-stable-214dbc4281374cbbd833edd502d0ed1fd1b0e243.tar.gz linux-stable-214dbc4281374cbbd833edd502d0ed1fd1b0e243.tar.bz2 linux-stable-214dbc4281374cbbd833edd502d0ed1fd1b0e243.zip | |
sched: convert to vma iterator
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@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | kernel/sched/fair.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c36aa54ae071..9c9950249d7b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2938,11 +2938,11 @@ static void task_numa_work(struct callback_head *work) 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 callback_head *work) 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 callback_head *work) cond_resched(); } while (end != vma->vm_end); - } + } for_each_vma(vmi, vma); out: /* |