From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-177.mta0.migadu.com (out-177.mta0.migadu.com [91.218.175.177]) (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 BAA0E390985 for ; Sat, 13 Jun 2026 09:41:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781343677; cv=none; b=MtF+8VgRaNUiZuPshcc/ELnzrhPmj+bv97cgTAdmwPFZVNW4rfCSGh1vO+qx3X5Ge3G8RM2NN2hzTOhMnFghq5queqil6n0KCoJ/3hORuMULYGPW+Agd9Vy+5aoeZ+ZqnTxq+vBvUbIC8ynjWFSfmnDTy362HMf/sXoqqQUF/oA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781343677; c=relaxed/simple; bh=l9vhqsq5bfyaKJuEZ7vSS3uuF/Bho5vCtA+nLHPqRKk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=q60aa81XetFGurF63pqYDFOPsp0Vv8mHW6VPPx6eUA8S0ukJ8su4BcbnCA9AgdrvP/u+mY6ZboheRBmj73GxbXsBRTfa/Xf0aEM110DUzfsznd0zK+GAk8CNj7uJhVI2NbbmGCqwBr24aAMlsmraaxNNhucObXN8rUf/mRmrgv8= 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=xXkESVPd; arc=none smtp.client-ip=91.218.175.177 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="xXkESVPd" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1781343672; 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=l9vhqsq5bfyaKJuEZ7vSS3uuF/Bho5vCtA+nLHPqRKk=; b=xXkESVPdFyKZZn6C6OJvt76RiV1y8lHsEnjZCUElMzdTuxcFSOe0ID2yshvdAt4hMuwZD/ OtQnP1QlUKPZCKDgiBflT8ns5FKe0FLIA3se3BymbIYVxyDXabziEg3S1PGukLAfdShziI wz+HIRFPtXuGXkjpMldu70s0gWPY33Y= From: Lance Yang To: willy@infradead.org Cc: akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, hyc.lee@gmail.com, usama.arif@linux.dev, Lance Yang Subject: Re: [PATCH v2 3/6] ntfs: Use zero_user_segment() in handle_bounds_compressed_page() Date: Sat, 13 Jun 2026 17:41:03 +0800 Message-Id: <20260613094103.14051-1-lance.yang@linux.dev> In-Reply-To: <20260608210618.3437216-4-willy@infradead.org> References: <20260608210618.3437216-4-willy@infradead.org> 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=UTF-8 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT On Mon, Jun 08, 2026 at 10:06:13PM +0100, Matthew Wilcox (Oracle) wrote: >This fixes handle_bounds_compressed_page() on highmem memory >as page_address() does not work on memory which has been kmap_local(), >only on kmap() memory. > >Signed-off-by: Matthew Wilcox (Oracle) >--- > fs/ntfs/compress.c | 18 ++++++++---------- > 1 file changed, 8 insertions(+), 10 deletions(-) > >diff --git a/fs/ntfs/compress.c b/fs/ntfs/compress.c Just a thought. This file still seems to have a few more page_address() users where the kmap_local_page() return value is not used. Should the rest of them be cleaned up in this series too? Cheers, Lance