On Fri, Feb 27, 2026 at 09:08:36PM +0100, David Hildenbrand (Arm) wrote:
> In commit 7269f999934b ("mm/mmu_notifier: use correct mmu_notifier events
> for each invalidation") we converted all MMU_NOTIFY_UNMAP to
> MMU_NOTIFY_CLEAR, except the ones that actually perform munmap() or
> mremap() as documented.
>
> __oom_reap_task_mm() behaves much more like MADV_DONTNEED. So use
> MMU_NOTIFY_CLEAR as well.
>
> This is a preparation for further changes.
>
> Signed-off-by: David Hildenbrand (Arm) <[email protected]>LGTM, so: Reviewed-by: Lorenzo Stoakes (Oracle) <[email protected]> > --- > mm/oom_kill.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/oom_kill.c b/mm/oom_kill.c > index 5c6c95c169ee..0ba56fcd10d5 100644 > --- a/mm/oom_kill.c > +++ b/mm/oom_kill.c > @@ -551,7 +551,7 @@ static bool __oom_reap_task_mm(struct mm_struct *mm) > struct mmu_notifier_range range; > struct mmu_gather tlb; > > - mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, > + mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, > mm, vma->vm_start, > vma->vm_end); > tlb_gather_mmu(&tlb, mm); > -- > 2.43.0 >
