AMDGPU_VA_RESERVED_BOTTOM
if (args->va_address < AMDGPU_VA_RESERVED_BOTTOM) {
args->va_address, AMDGPU_VA_RESERVED_BOTTOM);
dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_BOTTOM;
uint32_t low = AMDGPU_VA_RESERVED_BOTTOM >>
uint32_t low = AMDGPU_VA_RESERVED_BOTTOM >>
uint32_t low = AMDGPU_VA_RESERVED_BOTTOM >>
pdd->gpuvm_base = max(SVM_USER_BASE, AMDGPU_VA_RESERVED_BOTTOM);
pdd->gpuvm_base = AMDGPU_VA_RESERVED_BOTTOM;