From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (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 758D7480971; Thu, 2 Jul 2026 12:39:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782995991; cv=none; b=gxmtQVIqaYw6xLd0kcq+lNxlB68SwvGyAtB8m18hlxwMRcof5979xur6OLj4AzaNNYZeEo0GSevrDjujF14Gk9lHxPaacpHrO1GfyDTlyvFTqh1EfB08uwyrXz15lBPgPakzLQ5UA4ZIIsEHsdt/ZcqCt4xqQGzXBw8dXz3D2GI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782995991; c=relaxed/simple; bh=kWlPB3bl2hFIoKRfAQQlliaKbL0nQpTVsDlwq9+KKyQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=Ebk88UgL0F63t9AblxM/+Atp7dEvS2zjTLZQwr4tbnx8AOPIEThB/3wOJ+pk4+rbFPD7Semn//97mvJEpMmr5O3A2/G03wKFdHYnYNxKgekKiHL6RIO5YD/p5KDsTZPaIrkU/U3BZGN+zIQ/x8fztLtz/UQfuBTm18g5uMqe1v4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=F10EZD2M; arc=none smtp.client-ip=95.215.58.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="F10EZD2M" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1782995985; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MSqvG6QTDeOE5qt8LI9tLb3iySB/2eramUM4HlZdPG8=; b=F10EZD2MKuMsgIZGg+Kv4CpsFBAqfutqUSZV+CnlSj4mTRO6SM+hx7IFnwTXi02n4W5ksq B3eV7EruPZaVg8GiZqN77RrtZjvlyRAPzkka+Z5kYwT5shcZ0occtt6vxWz8dsjkDZRJwI jZvjN/4FCRiAB3/YW0BqvRoNYnrlgRU= From: Lance Yang To: ljs@kernel.org Cc: akpm@linux-foundation.org, tsbogend@alpha.franken.de, maddy@linux.ibm.com, mpe@ellerman.id.au, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, l.stach@pengutronix.de, inki.dae@samsung.com, sw0312.kim@samsung.com, kyungmin.park@samsung.com, krzk@kernel.org, peter.griffin@linaro.org, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, tursulin@ursulin.net, robin.clark@oss.qualcomm.com, lumag@kernel.org, lyude@redhat.com, dakr@kernel.org, tomi.valkeinen@ideasonboard.com, hjc@rock-chips.com, heiko@sntech.de, andy.yan@rock-chips.com, thierry.reding@kernel.org, mperttunen@nvidia.com, jonathanh@nvidia.com, kraxel@redhat.com, dmitry.osipenko@collabora.com, zack.rusin@broadcom.com, matthew.brost@intel.com, thomas.hellstrom@linux.intel.com, oleksandr_andrushchenko@epam.com, deller@gmx.de, bcrl@kvack.org, viro@zeniv.linux.org.uk, brauner@kernel.org, muchun.song@linux.dev, osalvador@suse.de, david@kernel.org, ziy@nvidia.com, baolin.wang@linux.alibaba.com, liam@infradead.org, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, hughd@google.com, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, jannh@google.com, pfalcato@suse.de, kees@kernel.org, perex@perex.cz, tiwai@suse.com, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, etnaviv@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org, virtualization@lists.linux.dev, intel-xe@lists.freedesktop.org, xen-devel@lists.xenproject.org, linux-fbdev@vger.kernel.org, linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-sound@vger.kernel.org Subject: Re: [PATCH 08/13] mm: introduce vma_get_page_prot() and use it Date: Thu, 2 Jul 2026 20:38:45 +0800 Message-Id: <20260702123845.95316-1-lance.yang@linux.dev> In-Reply-To: <3bb8bdc4788230c33102166d56cbc5abfad9d4cb.1782760670.git.ljs@kernel.org> References: <3bb8bdc4788230c33102166d56cbc5abfad9d4cb.1782760670.git.ljs@kernel.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT On Mon, Jun 29, 2026 at 08:25:31PM +0100, Lorenzo Stoakes wrote: >There's a large number of vm_get_page_prot(vma->vm_flags) invocations. Make >life easier by introducing vma_get_page_prot() parameterised by the VMA. > >This also makes converting vm_get_page_prot() to vma_flags_t easier. > >Also update the userland VMA tests to reflect the change. > >No functional change intended. > >Signed-off-by: Lorenzo Stoakes >--- > drivers/gpu/drm/drm_gem.c | 2 +- > drivers/gpu/drm/drm_gem_dma_helper.c | 2 +- > drivers/gpu/drm/drm_gem_shmem_helper.c | 2 +- > drivers/gpu/drm/etnaviv/etnaviv_gem.c | 2 +- > drivers/gpu/drm/exynos/exynos_drm_gem.c | 6 +++--- > drivers/gpu/drm/i915/gem/i915_gem_mman.c | 12 ++++++------ > drivers/gpu/drm/msm/msm_gem.c | 2 +- > drivers/gpu/drm/nouveau/nouveau_gem.c | 2 +- > drivers/gpu/drm/omapdrm/omap_fbdev.c | 2 +- > drivers/gpu/drm/omapdrm/omap_gem.c | 6 +++--- > drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 2 +- > drivers/gpu/drm/tegra/gem.c | 2 +- > drivers/gpu/drm/virtio/virtgpu_vram.c | 2 +- > drivers/gpu/drm/vmwgfx/vmwgfx_page_dirty.c | 2 +- > drivers/gpu/drm/xe/xe_device.c | 2 +- > drivers/gpu/drm/xe/xe_mmio_gem.c | 2 +- > drivers/gpu/drm/xen/xen_drm_front_gem.c | 2 +- > drivers/video/fbdev/core/fb_io_fops.c | 2 +- One missed? drivers/gpu/drm/panthor/panthor_gem.c still has: vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); Can use vma_get_page_prot(vma) too. 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