KFD_CWSR_TBA_TMA_SIZE
#define SVM_USER_BASE (u64)(KFD_CWSR_TBA_TMA_SIZE + 2*PAGE_SIZE)
#define SVM_CWSR_BASE (SVM_USER_BASE - KFD_CWSR_TBA_TMA_SIZE)
get_order(KFD_CWSR_TBA_TMA_SIZE));
KFD_CWSR_TBA_TMA_SIZE, flags, &mem, &kaddr);