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    Subject[PATCH v11 61/69] mm/oom_kill: use maple tree iterators instead of vma linked list
    Date
    From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

    Link: https://lkml.kernel.org/r/20220504011345.662299-46-Liam.Howlett@oracle.com
    Link: https://lkml.kernel.org/r/20220621204632.3370049-62-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/oom_kill.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/mm/oom_kill.c b/mm/oom_kill.c
    index 3c6cf9e3cd66..3996301450e8 100644
    --- a/mm/oom_kill.c
    +++ b/mm/oom_kill.c
    @@ -513,6 +513,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
    {
    struct vm_area_struct *vma;
    bool ret = true;
    + VMA_ITERATOR(vmi, mm, 0);

    /*
    * Tell all users of get_user/copy_from_user etc... that the content
    @@ -522,7 +523,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
    */
    set_bit(MMF_UNSTABLE, &mm->flags);

    - for (vma = mm->mmap ; vma; vma = vma->vm_next) {
    + for_each_vma(vmi, vma) {
    if (vma->vm_flags & (VM_HUGETLB|VM_PFNMAP))
    continue;

    --
    2.35.1
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