From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-180.mta0.migadu.com (out-180.mta0.migadu.com [91.218.175.180]) (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 7DDDA324B28 for ; Mon, 22 Dec 2025 02:56:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766372167; cv=none; b=G0ExwYTtAZlexbQ8d1G579LuBtlkSh4xe49o9IArw7DdeXDRJSjpU+HyUAdBNxVbp2uPamvYJ9RDyfad0AFLhIo0M56qKWE6zqhig0Oz0OsuYYicO+5H6KCpN0iMgeMkXuvwzf+3dPY7zCwGCWGncssSIxe+QuflsButHYaHbJI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766372167; c=relaxed/simple; bh=JpzxShXFLNg65tGq6mlMsiFX/3fntlXQumXJwhZZRmo=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=PGBqTE76GVfZz0PK3uI5vs+B1aV4fv2MOniWATLuvYQ7Zs6PJzgCKf1yib3MTY3jmwBsVp+vN69aLfNSV3zA+C8n1FF1S1Odnw6O2VFP2iH2sYsRozj28nvcgPu+XfvQg9DEUdB+hHOTc/qUvNsmAHJHgtjWj5LoSHcQhYRH9ks= 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=X+sI79a3; arc=none smtp.client-ip=91.218.175.180 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="X+sI79a3" Content-Type: text/plain; charset=us-ascii DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1766372158; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=may1VAVjkO+zB0UvFCBS01JYcKyy3lFkszihsMfdWYs=; b=X+sI79a3FlFoFhRdYSV/hUyZHjdEV9uc+F61polrYlodt7W7DYCBy5Ew9gGWEPZNl5grZr Xbl0hTwwzYRNb+9K/3+5JEiFPLSAM/kd/BauJFTO8kkiB3mdMkw4+lUXIOvl/ShCQZ8FWR HTCtndsplIG4A5DNm06wfivP/goFfpY= 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 \(3864.200.81.1.6\)) Subject: Re: [PATCHv2 03/14] mm: Change the interface of prep_compound_tail() X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: <20251218150949.721480-4-kas@kernel.org> Date: Mon, 22 Dec 2025 10:55:18 +0800 Cc: Andrew Morton , David Hildenbrand , Matthew Wilcox , Usama Arif , Frank van der Linden , Oscar Salvador , Mike Rapoport , Vlastimil Babka , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <79633EDC-7CD1-4A2E-BEC9-44866F0D7741@linux.dev> References: <20251218150949.721480-1-kas@kernel.org> <20251218150949.721480-4-kas@kernel.org> To: Kiryl Shutsemau X-Migadu-Flow: FLOW_OUT > On Dec 18, 2025, at 23:09, Kiryl Shutsemau wrote: > > Instead of passing down the head page and tail page index, pass the tail > and head pages directly, as well as the order of the compound page. > > This is a preparation for changing how the head position is encoded in > the tail page. > > Signed-off-by: Kiryl Shutsemau Reviewed-by: Muchun Song Thanks.