# Re: \[PATCH 08/13\] mm: convert miscellaneous VMA flag tests to use vma\_flags\_t

- From: SJ Park \<sj@kernel.org\>
- Date: 2026-11-06 01:01:11 
- List: linux-trace-kernel
- Page: https://ratatoskr.run/linux-trace-kernel/2026/11/17874913
- Thread: https://ratatoskr.run/linux-mm/2026/11/17874173/t.md

```text
On Thu, 05 Nov 2026 21:30:59 +0000 "Lorenzo Stoakes (ARM)" [ref] wrote:

> Replace use of the legacy vm_flags_t flags with vma_flags_t values in the
> remaining straightforward VMA flag tests scattered throughout core mm, HMM
> (and its test module), DAMON and the OOM reaper.
> 
> No functional change intended.

Thank you for this nice cleanup!

> 
> Signed-off-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
[...]
> --- a/mm/damon/vaddr.c
> +++ b/mm/damon/vaddr.c
> @@ -240,7 +240,7 @@ static void damon_va_walk_page_range(struct mm_struct *mm, unsigned long start,
>  		goto lock_mmap;
>  	}
>  
> -	if (!(vma->vm_flags & VM_PFNMAP)) {
> +	if (!vma_test(vma, VMA_PFNMAP_BIT)) {
>  		ops->walk_lock = PGWALK_VMA_RDLOCK_VERIFY;
>  		walk_page_range_vma(vma, start, end, ops, private);
>  	}

For DAMON part,

Reviewed-by: SJ Park <sj@kernel.org>


Thanks,
SJ

[...]
```