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 4D95D34B40C for ; Tue, 6 Jan 2026 18:29:33 +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=1767724178; cv=none; b=JrvHOFP6F5yhHhzDxYJohBKMvFCf3ST6DY/3KXYDVOKy03T8bZXyheU1+tKDROV7mIQt16e2M2NHH7T+a9XiMYFjBBMOJp/KW3Q+KOv/e0HFT6uRWHxm5/0iyQG9vPIElMU3HDLbn4tjgDqmPBkbTcJSY9X1W2dXyBaFYQzQ9sY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767724178; c=relaxed/simple; bh=qkby3BqtHB1nqtMcYc5138J8APVhs2/Zsxa2Be5D7fI=; h=Date:From:To:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=byiFpltjBFfVV6xiYae6Wnuw3sc+dm6Y2z0frrPDeVWtHp8t8apVOIlbU4tIMyWdfGzZBRAk6/qLnVKwwjdJKwI82/AP8/P80XSnFBCvShmhCpgjB771XzVyGXleQqZWPpcD+sd1+uYG1HCuTcgkYIzdQ3OFQESoCyRf0WKNYwY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (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=v4jxEldV; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (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="v4jxEldV" 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:To:From:Date:Sender:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description; bh=qkby3BqtHB1nqtMcYc5138J8APVhs2/Zsxa2Be5D7fI=; b=v4jxEldVZ5RQTFO6xLV6gj2t4L wQRjkMOo30t2FRobMuOqGBMFRXmaEdG6BFAQOGEYPCKBpDViIZu8bOhpcPdOne/VM3zrh6xAa3ndT 7cYOpvjb3DeAYLidkfN/RUMmvH1mrDiSWrESYpQtqUID9sxtaggYi4iVTwputkLi3F0XEC2xEf+JB fP+x+1lyZfq2U0LxWjYrgOHCOjndDgEAOpVfQBAYubOPM5EI8p82GiLM5/MNnAyiGq2isndgAamik 5rCQ21UahWKhKC2St05EwcLKh2afQQFT+jTOdNvQSMbrYlu8LAK1w3/UwNIqx8bsHsrkXR8wOdYyl mXSADaJw==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdBo8-0000000CHj2-11QK; Tue, 06 Jan 2026 18:29:28 +0000 Date: Tue, 6 Jan 2026 18:29:28 +0000 From: Matthew Wilcox To: "Liam R. Howlett" , Boudewijn van der Heide , akpm@linux-foundation.org, aliceryhl@google.com, andrewjballance@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, maple-tree@lists.infradead.org Subject: Re: [PATCH] maple_tree: Add dead node check in mas_dup_alloc() Message-ID: References: <20260106132418.57408-1-boudewijn@delta-utec.com> Precedence: bulk X-Mailing-List: linux-kernel@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: On Tue, Jan 06, 2026 at 11:01:27AM -0500, Liam R. Howlett wrote: > The fact that no one in the tree uses it incorrectly means that any > backport would be for the benefit of out-of-tree drivers, which we do > not support. Should this interface be EXPORT_SYMBOL_GPL to make that clear?