From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-121.mta0.migadu.com [91.218.175.121]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4F9A23431E3 for ; Sat, 19 Sep 2026 02:44:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.121 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789785887; cv=none; b=pqwCrmJ+6+6m0GzVmMU+4rrSgDvYJ6lNv5Nrl3d3FMqLXuiIZqnPwE77oUzSqLoGWH0P/HIm/ozAz1Vbn+P+lvolutb99d86fd/0qxMTqMDvAAlu//PT4eZ4FIEDf6IM2KJodINWjRnlnbAkt/ZhTdIoPC4XsRB/+Q/jHufbCE4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789785887; c=relaxed/simple; bh=gZMNTW6sgM4aJk8DzB4CH3HxK4yTRxgEOhMVRmrJvLU=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=BPL/G4zgJvyt88OAmr6+yCMzy+//LjiAzKdR3pVWMPEO4YusrvGRKvzCZVWz8iJIKdE0R3EK8dpfDyCZ3tMgASiNjDCaaL+JI4iYs5s+t+ebcQjHPk5XQbsYGHgxHDAqymH9evCxNExF01DOqmQGWFL4RqrL7tuIVcOnbrTuSK8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=WPxn8+J6; arc=none smtp.client-ip=91.218.175.121 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="WPxn8+J6" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=gZMNTW6sgM4aJk8DzB4CH3HxK4yTRxgEOhMVRmrJvLU=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1789785884; v=1; x=1790390684; b=WPxn8+J6+DuIp1hrAvHCmAY3FbO9Dvf3irtMYRvQPr+d6+TMmIVFF0rVnSWRoywPCJ1VevEz 6VfPS0c0fxvnld7650Yy6B1FY+NfxjfXFmdYnrYxuwtbRCBCNZ1ndqn8vs3Yb3OdriQROU3e9xF 0lp2iYaEDTXmHOGA775BzlXQ= X-Envelope-To: linux-kernel@vger.kernel.org Received: by mta11.migadu.com with ESMTPS id 0b1a70147224a31d; Sat, 19 Sep 2026 02:44:44 +0000 X-Mizu-Trace-ID: 0b1a70147224a31d X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset=us-ascii Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.700.51.1.1\)) Subject: Re: [PATCH 1/2] memcg: remove unused page_memcg_check() From: Muchun Song In-Reply-To: <20260918165601.1014666-2-ekffu200098@gmail.com> Date: Sat, 19 Sep 2026 10:44:26 +0800 Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Content-Transfer-Encoding: 7bit Message-Id: <3A433465-3F87-4268-9B1C-73DEDBEB6A90@linux.dev> References: <20260918165601.1014666-1-ekffu200098@gmail.com> <20260918165601.1014666-2-ekffu200098@gmail.com> To: Sang-Heon Jeon X-Mailer: Apple Mail (2.3864.700.51.1.1) > On Sep 19, 2026, at 00:55, Sang-Heon Jeon wrote: > > Since commit 90f095b816e2 ("mm/page_owner: use memcg_data snapshot to > avoid TOCTOU in print_page_owner_memcg()"), page_memcg_check() has no > callers. > > So remove it. > > No functional change. > > Signed-off-by: Sang-Heon Jeon Acked-by: Muchun Song