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Tue, 3 Dec 2019 08:55:02 +0100 (CET) Received: from localhost.localdomain.localdomain (h-205-35.A357.priv.bahnhof.se [155.4.205.35]) by mail1.shipmail.org (Postfix) with ESMTPSA id 14BE63601A7; Tue, 3 Dec 2019 08:55:02 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=shipmail.org; s=mail; t=1575359702; bh=aB6juBnH9+GP/TzR6BTXlh5qmaDDYsarjsxf4jTh1rU=; h=From:To:Cc:Subject:Date:From; b=hzeDZOS0484nklgi17avySes5Nxuqwv44z0R5NRt7s05Y/E/IIgGtD3/lVLd4S4Od mAE8Gdt2yMQsBVkkCyXdh76aBtaeaUcOa5XtYI47P38x4pIaN3NkYCgoXILSubd9bP gqUyKmceCdRUTYxQk1MPg5rvb8yOOyuzIpMHQ+lY= From: =?utf-8?q?Thomas_Hellstr=C3=B6m_=28VMware=29?= To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, dri-devel@vmware.com Cc: pv-drivers@vmware.com, linux-graphics-maintainer@vmware.com, Thomas Hellstrom , Andrew Morton , Michal Hocko , "Matthew Wilcox (Oracle)" , "Kirill A. Shutemov" , Ralph Campbell , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , =?utf-8?q?Christian_?= =?utf-8?q?K=C3=B6nig?= Subject: [PATCH 0/2] mm, drm/ttm: Fix pte insertion with customized protection Date: Tue, 3 Dec 2019 08:54:44 +0100 Message-Id: <20191203075446.60197-1-thomas_os@shipmail.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 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: From: Thomas Hellstrom The drm/ttm module is using a modified on-stack copy of the struct vm_area_struct to be able to set a page protection with customized caching. Fix that by adding a vmf_insert_mixed_prot() function similar to the existing vmf_insert_pfn_prot() for use with drm/ttm. I'd like to merge this through a drm tree. Thomas Hellstrom (2): mm: Add and export vmf_insert_mixed_prot() drm/ttm: Fix vm page protection handling drivers/gpu/drm/ttm/ttm_bo_vm.c | 14 +++++++------- include/linux/mm.h | 2 ++ mm/memory.c | 15 +++++++++++---- 3 files changed, 20 insertions(+), 11 deletions(-) Cc: Andrew Morton Cc: Michal Hocko Cc: "Matthew Wilcox (Oracle)" Cc: "Kirill A. Shutemov" Cc: Ralph Campbell Cc: "Jérôme Glisse" Cc: "Christian König"