Re: [PATCH v1 2/3] mm: process_mrelease: skip LRU movement for exclusive file folios

[David Hildenbrand (Arm)]

>  
> -static bool __oom_reap_task_mm(struct mm_struct *mm)
> +static bool __oom_reap_task_mm(struct mm_struct *mm, bool try_evict_file_folios)
>  {
>  	struct vm_area_struct *vma;
>  	bool ret = true;
> @@ -556,12 +556,14 @@ static bool __oom_reap_task_mm(struct mm_struct *mm)
>  						mm, vma->vm_start,
>  						vma->vm_end);
>  			tlb_gather_mmu(&tlb, mm);
> +			tlb.try_evict_file_folios = try_evict_file_folios;
> +			struct zap_details details = { .ignore_access = try_evict_file_folios };
>  			if (mmu_notifier_invalidate_range_start_nonblock(&range)) {
>  				tlb_finish_mmu(&tlb);
>  				ret = false;
>  				continue;
>  			}
> -			unmap_page_range(&tlb, vma, range.start, range.end, NULL);
> +			unmap_page_range(&tlb, vma, range.start, range.end, &details);
>  			mmu_notifier_invalidate_range_end(&range);


This API was changed in the meantime into zap_vma_for_reaping(), and I do not
want to pass details on the new interface. If so, zap_vma_for_reaping() would
handle that internally I guess.

-- 
Cheers,

David