linux-kernel - Re: [RFC PATCH 04/12] khugepaged: Generalize __collapse_huge_page

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Message-ID: <Z2D86Nl41ZNvNSnJ@casper.infradead.org>
Date: Tue, 17 Dec 2024 04:24:08 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Dev Jain <dev.jain@....com>
Cc: akpm@...ux-foundation.org, david@...hat.com,
	kirill.shutemov@...ux.intel.com, ryan.roberts@....com,
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	zhengqi.arch@...edance.com, jhubbard@...dia.com, 21cnbao@...il.com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 04/12] khugepaged: Generalize
 __collapse_huge_page_swapin()

On Mon, Dec 16, 2024 at 10:20:57PM +0530, Dev Jain wrote:
> -	unsigned long address, end = haddr + (HPAGE_PMD_NR * PAGE_SIZE);
> +	unsigned long address, end = addr + ((1UL << order) * PAGE_SIZE);

addr + (PAGE_SIZE << order);