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(c-67-164-59-41.hsd1.ca.comcast.net. [67.164.59.41]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-72fe6429218sm2148234b3a.66.2025.01.30.16.19.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Jan 2025 16:19:00 -0800 (PST) From: "Vishal Moola (Oracle)" To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, hch@infradead.org, urezki@gmail.com, intel-gfx@lists.freedesktop.org, "Vishal Moola (Oracle)" Subject: [PATCH 0/2] vmalloc: Introduce vmap_file() Date: Thu, 30 Jan 2025 16:18:04 -0800 Message-ID: <20250131001806.92349-1-vishal.moola@gmail.com> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Currently, users have to call vmap() or vmap_pfn() to map pages to kernel virtual space. vmap() requires the page references, and vmap_pfn() requires page pfns. If we have a file but no page references, we have to do extra work to map them. Create a function, vmap_file(), to map a specified range of a given file to kernel virtual space. Also convert a user that benefits from vmap_file(). Vishal Moola (Oracle) (2): mm/vmalloc: Introduce vmap_file() drm: Use vmap_file() in shmem_pin_map() drivers/gpu/drm/i915/gt/shmem_utils.c | 23 +------ include/linux/vmalloc.h | 2 + mm/vmalloc.c | 97 +++++++++++++++++++++++++++ 3 files changed, 102 insertions(+), 20 deletions(-) -- 2.47.1