drm/amdkfd: add new flag for svm

It is to add new option for always keeping gpu mapping.

Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2022-06-24 11:03:37 -04:00 • committed by Alex Deucher
commit fce7bf30d3