linux-kernel - Re: [PATCH] mm/hugetlb: Drop node_alloc_noretry from alloc_fresh_hugetlb

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Date: Fri, 17 May 2024 11:32:56 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: Oscar Salvador <osalvador@...e.de>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
 Muchun Song <muchun.song@...ux.dev>, Peter Xu <peterx@...hat.com>
Subject: Re: [PATCH] mm/hugetlb: Drop node_alloc_noretry from
 alloc_fresh_hugetlb_folio



On 5/16/24 13:40, Oscar Salvador wrote:
> Since commit d67e32f26713 ("hugetlb: restructure pool allocations"),
> the parameter node_alloc_noretry from alloc_fresh_hugetlb_folio()
> is not used, so drop it.
> 
> Signed-off-by: Oscar Salvador <osalvador@...e.de>
> ---
>  mm/hugetlb.c | 12 +++++-------
>  1 file changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 6be78e7d4f6e..fedce00ff839 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -2289,13 +2289,11 @@ static struct folio *only_alloc_fresh_hugetlb_folio(struct hstate *h,
>   * pages is zero.
>   */
>  static struct folio *alloc_fresh_hugetlb_folio(struct hstate *h,
> -		gfp_t gfp_mask, int nid, nodemask_t *nmask,
> -		nodemask_t *node_alloc_noretry)
> +		gfp_t gfp_mask, int nid, nodemask_t *nmask)
>  {
>  	struct folio *folio;
>  
> -	folio = __alloc_fresh_hugetlb_folio(h, gfp_mask, nid, nmask,
> -						node_alloc_noretry);
> +	folio = __alloc_fresh_hugetlb_folio(h, gfp_mask, nid, nmask, NULL);
>  	if (!folio)
>  		return NULL;
>  
> @@ -2513,7 +2511,7 @@ static struct folio *alloc_surplus_hugetlb_folio(struct hstate *h,
>  		goto out_unlock;
>  	spin_unlock_irq(&hugetlb_lock);
>  
> -	folio = alloc_fresh_hugetlb_folio(h, gfp_mask, nid, nmask, NULL);
> +	folio = alloc_fresh_hugetlb_folio(h, gfp_mask, nid, nmask);
>  	if (!folio)
>  		return NULL;
>  
> @@ -2549,7 +2547,7 @@ static struct folio *alloc_migrate_hugetlb_folio(struct hstate *h, gfp_t gfp_mas
>  	if (hstate_is_gigantic(h))
>  		return NULL;
>  
> -	folio = alloc_fresh_hugetlb_folio(h, gfp_mask, nid, nmask, NULL);
> +	folio = alloc_fresh_hugetlb_folio(h, gfp_mask, nid, nmask);
>  	if (!folio)
>  		return NULL;
>  
> @@ -3474,7 +3472,7 @@ static void __init hugetlb_hstate_alloc_pages_onenode(struct hstate *h, int nid)
>  			gfp_t gfp_mask = htlb_alloc_mask(h) | __GFP_THISNODE;
>  
>  			folio = alloc_fresh_hugetlb_folio(h, gfp_mask, nid,
> -					&node_states[N_MEMORY], NULL);
> +					&node_states[N_MEMORY]);
>  			if (!folio)
>  				break;
>  			free_huge_folio(folio); /* free it into the hugepage allocator */

Reviewed-by: Anshuman Khandual <anshuman.khandual@....com>