From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 34FD6CD98ED for ; Thu, 18 Jun 2026 09:07:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Mm2lCLjyWnzab/19VrsoxJklGw/Bkp1asQyZBrJBDYI=; b=vGRCLwyzhwaLNYFrXnAW5sDoOQ W+hxvMqiFM+dpOaGT38XJY1pW/KL2b9JBGhXhofrfftvLuIKO+2PsacFtCH4DFPlQnTcVTS29AcUX h2wjS2cwizcFryRx34V7sUk2D8Uj74T+apYCdv6CMCIsoz+l27y5C0yZ5qr7qc+7n/wuzr6CPD1Ef xltzDYdBCEdCoP14SFJAtVFLetiy/upDs66Jfs0dAHe3R20rKcnxW2H7jA1wiwUUuI0LpHDWN7WCw 0huJORRtRtY4Ch45sG38b/LR2MAmF1ZlbpuRKaVXC5FmAjX9Pj5PuaY/CSi0kwYHz4jQMDmYJXi6J vzuXPWDA==; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 6/17/26 16:15, Xueyuan Chen wrote: > > On Wed, Jun 17, 2026 at 01:50:08PM +0200, David Hildenbrand (Arm) wrote: > > Hi, David > >> Yes, kerneldoc please. > > Ack. > >> >> We're adjusting the directmap, remapping a r/w page to be r/o. I think we should >> be very clear about which transition we expect+support. >> >> Also, I rather hate the "set_memory" naming scheme ... "set_direct_map" is >> clearer. Anyhow ... >> >> Now we are throwing a "arch_make_pages_*" into the mix. >> >> Should it really contain the "arch"? >> Should it really contain the "make" ? >> >> Why can't we just reuse set_memory_ro and pass address+nr_pages? (highmem check? >> Could that be moved in there?) >> >> Or do we want a "change_direct_map_ro()" / "remap_direct_map_ro" interface? >> >> > > How about naming it int set_direct_map_ro(struct page *page, unsigned nr)? To distinguish it from "set_memory*" cruft, maybe best to use "remap" or "adjust" instead. -- Cheers, David