kvmppc_gse_flatten_iden
i = kvmppc_gse_flatten_iden(iden);
i = kvmppc_gse_flatten_iden(iden);
set_bit(kvmppc_gse_flatten_iden(iden), gsbm->bitmap);
clear_bit(kvmppc_gse_flatten_iden(iden), gsbm->bitmap);
return test_bit(kvmppc_gse_flatten_iden(iden), gsbm->bitmap);
pbit = prev ? kvmppc_gse_flatten_iden(prev) + 1 : 0;