[PATCH v4 60/66] mm/oom_kill: Use maple tree iterators instead of vma linked list
From: Liam Howlett <hidden>
Date: 2021-12-01 14:39:41
Also in:
lkml
Subsystem:
memory management, memory management - oom killer, the rest · Maintainers:
Andrew Morton, Michal Hocko, Linus Torvalds
From: "Liam R. Howlett" <redacted> Signed-off-by: Liam R. Howlett <redacted> --- mm/oom_kill.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 1ddabefcfb5a..1694b30eb46c 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c@@ -516,6 +516,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm) { struct vm_area_struct *vma; bool ret = true; + MA_STATE(mas, &mm->mm_mt, 0, 0); /* * Tell all users of get_user/copy_from_user etc... that the content
@@ -525,7 +526,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm) */ set_bit(MMF_UNSTABLE, &mm->flags); - for (vma = mm->mmap ; vma; vma = vma->vm_next) { + mas_for_each(&mas, vma, ULONG_MAX) { if (!can_madv_lru_vma(vma)) continue;
--
2.30.2