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[2607:7c80:54:e::133]) by mx.google.com with ESMTPS id n187si63044121pga.165.2019.08.11.01.12.52 for (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 11 Aug 2019 01:12:53 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of batv+ae155d32c5e98ef18dee+5831+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) client-ip=2607:7c80:54:e::133; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20170209 header.b=jausoYlX; spf=pass (google.com: best guess record for domain of batv+ae155d32c5e98ef18dee+5831+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) smtp.mailfrom=BATV+ae155d32c5e98ef18dee+5831+infradead.org+hch@bombadil.srs.infradead.org 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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.