From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 330EE39524A for ; Wed, 14 Jan 2026 11:28:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768390135; cv=none; b=MTbEcpN0TRVZMT9ZjP0WnPdWwysvXuokct5xy2LkouJUJLlymtQjyvk5A5M0VcKmKKKinWlOH6evi6VqIDLojq8qoLPlv16/8mxbOh7QIVkSeW3VbUdFEGv28xDLHLQWSd4jgj0ydKa5K6mNWRpj2B/n/tXzmReAq0MAP+OXA9c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768390135; c=relaxed/simple; bh=Wsx+UFmwpbFfSr9xSBLwX0nPnQVJ1Ap3tIPbkj75udw=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=puEwbEMgUfHEJhJDoflKEnL/4Hqx0ej8qckmWIInzU07pIZXuu0NU5zvNQeTWNhugBvHYCupAwbcqqTsyz8U9qslYI2Jid1BEz27jJrXtKJ7DURu/S/o0l8PvApzQDYYSOD/3XD56raJOygrlqb4iO0Tc19on4QalDAl8Ou5lAM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HcZrx2/s; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HcZrx2/s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AB8BC19423; Wed, 14 Jan 2026 11:28:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768390134; bh=Wsx+UFmwpbFfSr9xSBLwX0nPnQVJ1Ap3tIPbkj75udw=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=HcZrx2/sXYiGP/VB0aWWLCmaHeEwgSeAivcJRdBO+6UJTB7TTVeONtF0QbtjbHLOw 8QiSXSznHHiXmdf2woTqyuMXkj22sHxpTNyE/lgiRG1dEcDbHdJoEYpnqt3jEcTcFR EbNO2PgOPxDm5Vlp37iNA9NVonQVKxP2YSZ+h9SxyR1e+bAuiEZhbLkSWAeE2fLH3p wLyEh6PRaDSGJXlni9U9etJaT3VUoC22gs4ghRblocXJl6azIGiK/rMc91vGXBU2yo vTPfoMBwWkOebeBykBktFrRcQk5O2uyO0qO3ogEMbCQUPQqImSRWrgpCz7JD2rqN4G eOlJnXz5MDOhg== Message-ID: <1301b853-992d-4299-9cc3-32edbf2f078f@kernel.org> Date: Wed, 14 Jan 2026 12:28:50 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH mm-new v4 2/6] mm: khugepaged: refine scan progress number From: "David Hildenbrand (Red Hat)" To: Vernon Yang , akpm@linux-foundation.org Cc: lorenzo.stoakes@oracle.com, ziy@nvidia.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vernon Yang References: <20260111121909.8410-1-yanglincheng@kylinos.cn> <20260111121909.8410-3-yanglincheng@kylinos.cn> Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/14/26 12:23, David Hildenbrand (Red Hat) wrote: > >> 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 ? Ah, sorry, I missed the other instanced where you pass something. From another glimpse, LGTM (although I think the end result might look better when both patches are squashed; anyhow, patch #3 fixes these instances up) Acked-by: David Hildenbrand (Red Hat) -- Cheers David