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

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Date: Thu, 16 May 2024 14:59:25 -0700
From: Sidhartha Kumar <sidhartha.kumar@...cle.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 1:10 AM, 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: Sidhartha Kumar <sidhartha.kumar@...cle.com>