| From | Liam Howlett <> | Subject | [PATCH v8 64/70] mm/swapfile: use vma iterator instead of vma linked list | Date | Tue, 26 Apr 2022 15:06:51 +0000 |
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From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
unuse_mm() no longer needs to reference the linked list.
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> --- mm/swapfile.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/swapfile.c b/mm/swapfile.c index 9398e915b36b..3007031c0f5f 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1984,14 +1984,16 @@ static int unuse_mm(struct mm_struct *mm, unsigned int type) { struct vm_area_struct *vma; int ret = 0; + VMA_ITERATOR(vmi, mm, 0); mmap_read_lock(mm); - for (vma = mm->mmap; vma; vma = vma->vm_next) { + for_each_vma(vmi, vma) { if (vma->anon_vma) { ret = unuse_vma(vma, type); if (ret) break; } + cond_resched(); } mmap_read_unlock(mm); -- 2.35.1
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