On Oct 24, 2024, at 1:04 AM, Derek Lesho <dlesho@codeweavers.com> wrote:

In my last mail I responded to this approach all the way at the bottom, so it probably got lost: mremap on Linux as it exists now won't work as it only supports private anonymous mappings (in conjunction with MREMAP_DONTUNMAP), which GPU mappings are not.

This is seemingly not insurmountable: https://lore.kernel.org/linux-mm/20210303175235.3308220-1-bgeffon@google.com/

~Theodore