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Message-Id: <20210112161240.2024684-34-Liam.Howlett@Oracle.com>
Date: Tue, 12 Jan 2021 11:12:03 -0500
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
To: maple-tree@...ts.infradead.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Cc: Andrew Morton <akpm@...gle.com>, Song Liu <songliubraving@...com>,
Davidlohr Bueso <dave@...olabs.net>,
"Paul E . McKenney" <paulmck@...nel.org>,
Matthew Wilcox <willy@...radead.org>,
Jerome Glisse <jglisse@...hat.com>,
David Rientjes <rientjes@...gle.com>,
Axel Rasmussen <axelrasmussen@...gle.com>,
Suren Baghdasaryan <surenb@...gle.com>,
Vlastimil Babka <vbabka@...e.cz>,
Rik van Riel <riel@...riel.com>,
Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH v2 33/70] arch/s390: Use maple tree iterators instead of linked list.
Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
arch/s390/mm/gmap.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 64795d0349263..8f7ed79583b29 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -2502,8 +2502,9 @@ static const struct mm_walk_ops thp_split_walk_ops = {
static inline void thp_split_mm(struct mm_struct *mm)
{
struct vm_area_struct *vma;
+ MA_STATE(mas, &mm->mm_mt, 0, 0);
- for (vma = mm->mmap; vma != NULL; vma = vma->vm_next) {
+ mas_for_each(&mas, vma, ULONG_MAX) {
vma->vm_flags &= ~VM_HUGEPAGE;
vma->vm_flags |= VM_NOHUGEPAGE;
walk_page_vma(vma, &thp_split_walk_ops, NULL);
@@ -2571,8 +2572,9 @@ int gmap_mark_unmergeable(void)
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
int ret;
+ MA_STATE(mas, &mm->mm_mt, 0, 0);
- for (vma = mm->mmap; vma; vma = vma->vm_next) {
+ mas_for_each(&mas, vma, ULONG_MAX) {
ret = ksm_madvise(vma, vma->vm_start, vma->vm_end,
MADV_UNMERGEABLE, &vma->vm_flags);
if (ret)
--
2.28.0
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