OPAL_DOWN_ALIGN    26 opal/include/opal/align.h #define OPAL_DOWN_ALIGN_PTR(x,a,t) ((t)OPAL_DOWN_ALIGN((uintptr_t)x, a, uintptr_t))
OPAL_DOWN_ALIGN    91 opal/mca/btl/vader/btl_vader_xpmem.c     base = OPAL_DOWN_ALIGN((uintptr_t) rem_ptr, attach_align, uintptr_t);