linux-kernel - Re: [PATCH mm-new v5 2/5] mm: khugepaged: refine scan progress number

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Message-ID: <aXORiA7_Oy60MSDR@casper.infradead.org>
Date: Fri, 23 Jan 2026 15:19:36 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Vernon Yang <vernon2gm@...il.com>
Cc: akpm@...ux-foundation.org, david@...nel.org, lorenzo.stoakes@...cle.com,
	ziy@...dia.com, dev.jain@....com, baohua@...nel.org,
	lance.yang@...ux.dev, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Vernon Yang <yanglincheng@...inos.cn>
Subject: Re: [PATCH mm-new v5 2/5] mm: khugepaged: refine scan progress number

On Fri, Jan 23, 2026 at 04:22:29PM +0800, Vernon Yang wrote:
> +	if (cur_progress) {
> +		unsigned long idx = xas_get_index(&xas) - start;

I agree with Dev.  This is less readable than:

		unsigned long idx = xas.xa_index - start;