Re: [PATCH 2/8] mm/bootmem_info: drop initialization of page->lru

On Mon, May 11, 2026 at 04:05:30PM +0200, David Hildenbrand (Arm) wrote:
> In the past, we used to store the type in page->lru.next, introduced by
> commit 5f24ce5fd34c ("thp: remove PG_buddy"). The location changed over
> the years; ever since commit 0386aaa6e9c8 ("bootmem: stop using
> page->index"), we store it alongside the info in page->private.
> 
> Consequently, there is no need to reset page->lru anymore.
> 
> Signed-off-by: David Hildenbrand (Arm) <[email protected]>

Reviewed-by: Mike Rapoport (Microsoft) <[email protected]>

> ---
>  mm/bootmem_info.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/mm/bootmem_info.c b/mm/bootmem_info.c
> index 3d7675a3ae04..a0a1ecdec8d0 100644
> --- a/mm/bootmem_info.c
> +++ b/mm/bootmem_info.c
> @@ -34,7 +34,6 @@ void put_page_bootmem(struct page *page)
>  	if (page_ref_dec_return(page) == 1) {
>  		ClearPagePrivate(page);
>  		set_page_private(page, 0);
> -		INIT_LIST_HEAD(&page->lru);
>  		kmemleak_free_part_phys(PFN_PHYS(page_to_pfn(page)), PAGE_SIZE);
>  		free_reserved_page(page);
>  	}
> 
> -- 
> 2.43.0
> 

-- 
Sincerely yours,
Mike.