From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-79.mta0.migadu.com [91.218.175.79]) (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 A4EB7383C7C for ; Wed, 16 Sep 2026 02:32:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789525927; cv=none; b=Elfj1hkdNoGjDX0le1Qem1WI1bNJWHZv5/pL1mVBZnDP2clk2i3mxsD3e81MDVYFaCgodnHsU3favnvfmmrUdz4TGJqsVzioVyg5TRLlloTSCbucmXLbr+RIqJjqZM4Igl+rE6Abrs/4YjD6UdDQw2Xc302IWHisVF7vFMaL+ec= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789525927; c=relaxed/simple; bh=6W4t1O6zL3vim3e+wdusHCDSqONbr3dliD7/v/Y/1c8=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=c2m3ovJV/NJARgpJSB3bhr5csHXHH8FptkFPFBTkcVvIakevAcUvI1aZBefz3gA4qaIdQTWah5oBtNcL5C0adsjIsFrtEbeCBRS1tOId9Q7uHOoCIEJ7CBu/iWc0dFCv+HqZ+VQjHN2XtdtbdmCB6hcHD/IiADf4BwKMhcM1W/k= 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=BKevCqde; arc=none smtp.client-ip=91.218.175.79 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="BKevCqde" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=6W4t1O6zL3vim3e+wdusHCDSqONbr3dliD7/v/Y/1c8=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1789525920; v=1; x=1790130720; b=BKevCqder0SVJxHtfV67s+LrqRff5qOlXLFQxjcR0GvnND/mp+2QrBCp/yoJmKLHpvxeF68v n8w0vlQcdKIQV0gfdh7EEbHAKw4vuXgJ4v+BsUCyBEWZIFEiiN6CBqCQPYquwx6QcStvTrjdZML f9PAof3JOs4ZHUiq9STAhNG4= X-Envelope-To: linux-kernel@vger.kernel.org Received: by mta12.migadu.com with ESMTPS id ad698002a27eb520; Wed, 16 Sep 2026 02:32:00 +0000 X-Mizu-Trace-ID: ad698002a27eb520 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 v3 04/11] mm/page_io: take a const folio in bio_associate_blkg_from_folio() From: Muchun Song In-Reply-To: <20260915-folio_memcg-const-v3-4-c239a6010b58@columbia.edu> Date: Wed, 16 Sep 2026 10:31:35 +0800 Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Kairui Song , Qi Zheng , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Baoquan He , Baolin Wang , Chris Li , Kemeng Shi , Nhat Pham , Youngjun Park , "Matthew Wilcox (Oracle)" , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: References: <20260915-folio_memcg-const-v3-0-c239a6010b58@columbia.edu> <20260915-folio_memcg-const-v3-4-c239a6010b58@columbia.edu> To: Tal Zussman X-Mailer: Apple Mail (2.3864.700.51.1.1) > On Sep 16, 2026, at 07:20, Tal Zussman wrote: > > bio_associate_blkg_from_folio() and its helpers only read from the > folio. Constify their folio arguments. > > Signed-off-by: Tal Zussman Reviewed-by: Muchun Song Thanks