hmm_range_wait_until_valid  837 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c 	hmm_range_wait_until_valid(range, HMM_RANGE_DEFAULT_TIMEOUT);
hmm_range_wait_until_valid  507 drivers/gpu/drm/nouveau/nouveau_svm.c 	if (!hmm_range_wait_until_valid(range, HMM_RANGE_DEFAULT_TIMEOUT)) {