linux-kernel - Re: [PATCH] mm/hugetlb: remove redundant folio_test

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Message-ID: <aDAwhW9AjPFc2CP2@localhost.localdomain>
Date: Fri, 23 May 2025 10:23:33 +0200
From: Oscar Salvador <osalvador@...e.de>
To: yangge1116@....com
Cc: akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, 21cnbao@...il.com, david@...hat.com,
	baolin.wang@...ux.alibaba.com, muchun.song@...ux.dev,
	liuzixing@...on.cn
Subject: Re: [PATCH] mm/hugetlb: remove redundant folio_test_hugetlb

On Fri, May 23, 2025 at 04:05:59PM +0800, yangge1116@....com wrote:
> From: Ge Yang <yangge1116@....com>
> 
> In the isolate_or_dissolve_huge_folio() function, the folio_test_hugetlb()
> function is called to determine whether a folio is a hugetlb folio.
> However, in the subsequent alloc_and_dissolve_hugetlb_folio() function,
> the folio_test_hugetlb() function is called again to make the same
> determination about whether the folio is a hugetlb folio. It appears that
> the folio_test_hugetlb() check in the isolate_or_dissolve_huge_folio()
> function can be removed. Additionally, a similar issue exists in the
> replace_free_hugepage_folios() function, and it should be addressed as
> well.
> 
> Suggested-by: Oscar Salvador <osalvador@...e.de>
> Signed-off-by: Ge Yang <yangge1116@....com>

Acked-by: Oscar Salvador <osalvador@...e.de>


-- 
Oscar Salvador
SUSE Labs