PROPAGATE_TOP_BIT  130 maint/gnulib/lib/fsusage.c       fsp->fsu_bavail = PROPAGATE_TOP_BIT (vfsd.f_bavail);
PROPAGATE_TOP_BIT  224 maint/gnulib/lib/fsusage.c   fsp->fsu_bavail = PROPAGATE_TOP_BIT (fsd.f_bavail);