On Tue, Nov 21, 2023 at 01:20:11PM -0800, mhkelley58@xxxxxxxxx wrote: > From: Michael Kelley <mhklinux@xxxxxxxxxxx> > > 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.
