usnic_fls        2453 opal/mca/btl/usnic/btl_usnic_module.c     module->last_pool = usnic_fls(module->super.btl_eager_limit-1);
usnic_fls         210 opal/mca/btl/usnic/btl_usnic_recv.c                 pool = usnic_fls(chunk_hdr->ch_frag_size-1);
usnic_fls          57 opal/mca/btl/usnic/btl_usnic_util.h static inline int __opal_attribute_always_inline__ usnic_fls(int x)