| From | Liam Howlett <> | Subject | [PATCH v11 63/69] mm/swapfile: use vma iterator instead of vma linked list | Date | Sun, 17 Jul 2022 02:46:57 +0000 |
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From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
unuse_mm() no longer needs to reference the linked list.
Link: https://lkml.kernel.org/r/20220504011345.662299-48-Liam.Howlett@oracle.com Link: https://lkml.kernel.org/r/20220621204632.3370049-64-Liam.Howlett@oracle.com Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: David Howells <dhowells@redhat.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: SeongJae Park <sj@kernel.org> Cc: Will Deacon <will@kernel.org> Cc: Davidlohr Bueso <dave@stgolabs.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> --- mm/swapfile.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/swapfile.c b/mm/swapfile.c index a2e66d855b19..ec4c1b276691 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1991,14 +1991,16 @@ 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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