alloc: reduce number of large pages to 256.
[ccan] / ccan / sparse_bsearch /
drwxr-xr-x   ..
-rw-r--r-- 1623 _info
-rw-r--r-- 746 sparse_bsearch.c
-rw-r--r-- 1518 sparse_bsearch.h
drwxr-xr-x - test