lkml.org 
[lkml]   [2022]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: [PATCH v4 60/66] mm/oom_kill: Use maple tree iterators instead of vma linked list
    Date
    * Vlastimil Babka <vbabka@suse.cz> [220120 07:43]:
    > On 12/1/21 15:30, Liam Howlett wrote:
    > > From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
    > >
    > > Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
    >
    > Acked-by: Vlastimil Babka <vbabka@suse.cz>
    >
    > Could be VMA_ITERATOR?

    Indeed, I will do that.

    >
    > > ---
    > > 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;
    > >
    >
    \
     
     \ /
      Last update: 2022-01-26 18:05    [W:2.784 / U:0.000 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site