bring back r1.132:
authordlg <dlg@openbsd.org>
Mon, 11 Aug 2014 13:31:42 +0000 (13:31 +0000)
committerdlg <dlg@openbsd.org>
Mon, 11 Aug 2014 13:31:42 +0000 (13:31 +0000)
commit2fe3b8c148bdaee4412e204f8054fc57f38d91d7
tree635a68f5735eb646cd1d9d205b4b46d88c64b00f
parent5a13a3bbec2007437dc027f87dc805f96bde1249
bring back r1.132:

provide a pool_count global so we can figure out how many pools there are
active without having to walk the global pool_list.
sys/kern/subr_pool.c