Received: by 2002:a25:8b12:0:0:0:0:0 with SMTP id i18csp2423298ybl; Sun, 11 Aug 2019 01:13:43 -0700 (PDT) X-Google-Smtp-Source: APXvYqxq3ZSs7xeiXla5xQPo5U1morJhx6XPKVAicTdB6kiCkWljOlGiSebXZP7Y2NeS8fqLqrW5 X-Received: by 2002:a17:902:8d92:: with SMTP id v18mr28056285plo.211.1565511223259; Sun, 11 Aug 2019 01:13:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565511223; cv=none; d=google.com; s=arc-20160816; b=UuaXkRlNfxOlNWhkEFzHLZwbt/H5cbpNqnPieZ/cxe+3V8u8z3xhGpmRV5a+yVDh7j LzicZq4JKb+dht5NXNOJNT65vc2LhQwraNoW85u+9ZFNDsjv3WyJalOE6VCna1tuHDX/ GUWyEAS/x0qdwKKJfijzZv5Mbce991scHHNB1e0dEntB8oSpzqrmEdnYrvQoEVWmpAEF x4m8gJBzVXbq8E7or0A8OkCEdWwj3s/2wJ6HkWrS/UJr7NZ78hshSJlJnfh+U/a+jPxl j7/75KH3YrqYEGJ0pJKs72UWO7XndeT0pIX5Ngb8mgn3JPjGLTMAuXDrcjmV3rNmPl3N XfcA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=duSr/7/isMOllSiQdJtuYj1CP9drRkouK4Y/GwmPE9E=; b=By5Sv3LF7eOIKb1oBoLmLINySUq6RXW9+OaP9W2bB5fS8THncfn4s0aN1xxQBeS5Yy g/4aNwdT2JlszcBZqEdlLCWap4sRuiKk1L1jATiFu6Lj56pGp7KUzQQIHYMuVJtWZUTI DFcWN6T+DmM31QcstFKE6ntCbuJljSjaLT4xi/D3gpELFgKgvAtxK4rNzYlFN1E085Qx VGox7X3/w/ASSnBlzj6EzfUr/z49x3Ddo/gmaVLmW0PSC3J19hbV0JqYKbaDO88y0AIP cId6iQj22hXP8IwXvJvhIws4V2XcxE6OvjdiLsy/x0c8PHnRPFEVn5w8n8cddB0CwYms x++w== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=jausoYlX; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w2si29441942pgs.463.2019.08.11.01.13.27; Sun, 11 Aug 2019 01:13:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=jausoYlX; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726214AbfHKIMx (ORCPT + 99 others); Sun, 11 Aug 2019 04:12:53 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:42606 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725883AbfHKIMx (ORCPT ); Sun, 11 Aug 2019 04:12:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=duSr/7/isMOllSiQdJtuYj1CP9drRkouK4Y/GwmPE9E=; b=jausoYlXofSB6fNPgltUVfKwO 6u1d10UxCCDGkunYpexGn7ariKsfdVq5MMOrJ8+xUmsui3PRCPjLtcDqlhnk4H94uWAIfYVj0x0/X Y47lQw1ooEct2Q6hG1lyiKwTD5jkeB5tOPONHD+F7gW4dvLBVGX1+Rzzo8DhyNMuTJtCZzP6fTNfM 5wCEUVJlCUBIoil8nqLRnPv8KTxoARl3gE9o2JN9JHPLnljViWNtgoxbiu6A3xpj1FPzVWEzeO8dm 0981hJotdh4htrXntHclw1A5T1UspEkzRJoBDqKXRL8Si6jPvLLBsSJw4Ggn3MeffzO5KR2hQ11y0 wanviGajg==; Received: from [2001:4bb8:180:1ec3:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hwiy9-0005CR-Q5; Sun, 11 Aug 2019 08:12:50 +0000 From: Christoph Hellwig To: Dan Williams , Jason Gunthorpe Cc: Bharata B Rao , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org Subject: add a not device managed memremap_pages Date: Sun, 11 Aug 2019 10:12:42 +0200 Message-Id: <20190811081247.22111-1-hch@lst.de> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Dan and Jason, Bharata has been working on secure page management for kvmppc guests, and one I thing I noticed is that he had to fake up a struct device just so that it could be passed to the devm_memremap_pages instrastructure for device private memory. This series adds non-device managed versions of the devm_request_free_mem_region and devm_memremap_pages functions for his use case.