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From: Matthew Wilcox <willy@infradead.org>
To: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	akpm@linux-foundation.org, muchun.song@linux.dev,
	osalvador@suse.de
Subject: Re: [PATCH] mm/hugetlb: convert hugetlb_change_protection() to folios
Date: Wed, 28 May 2025 23:56:16 +0100	[thread overview]
Message-ID: <aDeUkLGM9l_twtT-@casper.infradead.org> (raw)
In-Reply-To: <20250528192013.91130-1-sidhartha.kumar@oracle.com>

On Wed, May 28, 2025 at 03:20:13PM -0400, Sidhartha Kumar wrote:
> The for loop inside hugetlb_change_protection() increments by the huge
> page size:
> 
> psize = huge_page_size(h);
> for (; address < end; address += psize)
> 
> so we are operating on the head page of the huge pages between address
> and end. We can safely convert the struct page usage to struct folio.
> 
> Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>

Reviewwd-by: Matthew Wilcox (Oracle) <willy@infradead.org>


  reply	other threads:[~2025-05-28 22:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-28 19:20 [PATCH] mm/hugetlb: convert hugetlb_change_protection() to folios Sidhartha Kumar
2025-05-28 22:56 ` Matthew Wilcox [this message]
2025-06-03  5:28 ` Oscar Salvador

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