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See http://www.infradead.org/rpr.html X-Rspamd-Queue-Id: A074740004 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: zqfp7zmajjwkxyypqh7fzd775g5mhb4c X-HE-Tag: 1700634396-971228 X-HE-Meta: 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 hKsZc2PO qCaozsp1UXhOv4K7FPrx0fmk8u4cixi8o/TNmVM1AFwku5pmdyaqJSn4zaN6nSVTyBZsYbowRyMmeeTgBQWd+lNLFq+8FgVHC2HSWaxWBhyO7kENioe0RvvzaFTHMUMB3NhIqQCSGDpsST1hVI8WrMxSNJk6G3rbxoyxbkvJwtGsVaDLRFm3h+jJgTrc8fKoPD6PNaWopIZm4SksrSAMcAAHjkD8R67sp3aTF1kyo+NKd8VmKMtD6YI4tfhUBUNjOkVzDpw42rkyx0UOfZm+I1PhAVT6xcCZ+esRhPtqJPSfArdeTwRjqZmbad3AgQ5VWGi3tQbEkC9/ZNbPNw99u8Ii/xM2lUv2ePS8MGI6vRwaM7U/DmF30rJEe1zEIq+PW3aGIWXpBt0s+HgeyXu327Q/5tQv7mIS6FoMV1OTqZyoOBnKiFRCirb1XAgIMgWWMAzvO7dK+KQ1il+ElK/cov3LfgutwiCy+RYxxlzZUinw45nc= 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: List-Subscribe: List-Unsubscribe: On Tue, Nov 21, 2023 at 01:20:11PM -0800, mhkelley58@gmail.com wrote: > From: Michael Kelley > > The mm subsystem currently provides no mechanism to map memory pages > to a specified virtual address range. A virtual address range can be > allocated using get_vm_area(), but the only function available for > mapping memory pages to a caller-specified address in that range is > ioremap_page_range(), which is inappropriate for system memory. > > Fix this by allowing vmap_pages_range() to be used by callers outside > of vmalloc.c. I really do not want to expose vmap_pages_range. Please try to come up with a good way to encapsulate your map at a certain address primitive and implement it in vmalloc.c.