linux-kernel - Re: [PATCH mm-new v4 2/6] mm: khugepaged: refine scan progress number

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Message-ID: <a3d54ed9-773d-4369-801b-f9729772d6a5@kernel.org>
Date: Wed, 14 Jan 2026 12:23:54 +0100
From: "David Hildenbrand (Red Hat)" <david@...nel.org>
To: Vernon Yang <vernon2gm@...il.com>, akpm@...ux-foundation.org
Cc: 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 v4 2/6] mm: khugepaged: refine scan progress number


>   			mmap_locked = false;
>   			result = hpage_collapse_scan_file(mm, addr, file, pgoff,
> -							  cc);
> +							  NULL, cc);
>   			fput(file);
>   		} else {
>   			result = hpage_collapse_scan_pmd(mm, vma, addr,
> -							 &mmap_locked, cc);
> +							 &mmap_locked, NULL, cc);
>   		}
>   		if (!mmap_locked)
>   			*lock_dropped = true;

Seeing the "NULL" tells me that this patch does effectively nothing and 
should likely get squashed into #3 ?

-- 
Cheers

David