From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 D071782D83; Fri, 24 May 2024 12:17:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716553081; cv=none; b=TB1H+qzxKdIF/jEsZbV+I2rdq1TzgIHAXlUULR3TUrb22zbhh0pSlviRUCs7Nllc79kobc6CS7XSrQSK5BbE4CZMutqHuE5ASKgGtBiQ6lI3Bbq7aeVdBTyUj+Hm1JPaphY2n4HnR1jVrdFuQ4XyqEibYeloNb4WM1seNifCcfc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716553081; c=relaxed/simple; bh=2wUrVKpqrPQNFYGYsvWORrKBBq8cYUK3jhRhDaf1KEo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KxKUGS6BQ8fQp6+XSHA+SLXUO99H5mUwEvwevXPQWOznPQEjAa4OfOYbABl9QfLF707+XWjQUWZYYQh7QotOrpqc63RIiqew7ELZMl45qobrUavUATWC0zuZDuuNQ3fmth0r9fzklToRGZNhqXiwsGki0qEFH1dnY0fo8jTQibE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=hcwxujAK; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="hcwxujAK" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=wfOWPooHuO5W3ojmJffZ4S6c6nJ1eMqCJk0beuxH1Ew=; b=hcwxujAKXuWgOHxYziaHfsW38H 6huMU4o/AmpQhKw68kBlESMGW0eeFl3eZCMQIPuWMI2b3vOj0Na0LAUQXbWv7YoCWvImQdGTVswaO nOIzJN0kL86ufmzS/JpXzSCB2J/RLirhpfXPbP1EFZD5l4ETWDrfPgsMw6HkTjOrmmywbxGhwF0hW vVGr7/TxsadmsPRlQ0JRB83JMd8hevjTKBzq/WAYihdOzpsH78dht2EkhSDi5DN2Ja++onSGaBBEB tIyZHgVVITcn9uTuDx0ZIA+GKWVDlsjdW7TZR+5kjFbYzJOKaEAExsCYVJIWhOHRU1+WrJg+dAF6+ dxu6C3EA==; Received: from willy by casper.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sATrs-00000002eoU-1d5e; Fri, 24 May 2024 12:17:52 +0000 Date: Fri, 24 May 2024 13:17:52 +0100 From: Matthew Wilcox To: Xu Yang Cc: brauner@kernel.org, djwong@kernel.org, akpm@linux-foundation.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, jun.li@nxp.com Subject: Re: [PATCH v5 1/2] filemap: add helper mapping_max_folio_size() Message-ID: References: <20240521114939.2541461-1-xu.yang_2@nxp.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240521114939.2541461-1-xu.yang_2@nxp.com> On Tue, May 21, 2024 at 07:49:38PM +0800, Xu Yang wrote: > Add mapping_max_folio_size() to get the maximum folio size for this > pagecache mapping. > > Fixes: 5d8edfb900d5 ("iomap: Copy larger chunks from userspace") > Cc: stable@vger.kernel.org > Reviewed-by: Darrick J. Wong > Signed-off-by: Xu Yang Reviewed-by: Matthew Wilcox (Oracle)