diff options
| author | Liam R. Howlett | 2022-09-06 19:49:04 +0000 |
|---|---|---|
| committer | Andrew Morton | 2022-09-26 19:46:25 -0700 |
| commit | 208c09db6d88f4442fb755d20cfb237a37a49f48 (patch) | |
| tree | dcceec9d554829c6655a4b3867588e973d3d0e4d | |
| parent | 9ec08f30f86d70b8891c25642df7d1f16647fde4 (diff) | |
mm/swapfile: use vma iterator instead of vma linked list
unuse_mm() no longer needs to reference the linked list.
Link: https://lkml.kernel.org/r/20220906194824.2110408-64-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/swapfile.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 263b19e693cf..469d9af86be2 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1994,14 +1994,16 @@ 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); |