timestamp empty pages, and only free them if theyve been idle for at least
authordlg <dlg@openbsd.org>
Fri, 19 Dec 2014 02:49:07 +0000 (02:49 +0000)
committerdlg <dlg@openbsd.org>
Fri, 19 Dec 2014 02:49:07 +0000 (02:49 +0000)
commit4f9e1510ef1f14557abfd672c3449cf654d4a057
treefdd4c8e89697d16f4173e0c2d822b78245815ad7
parent9f2f21cedbccbf5a88312bc583e5a09dffb57422
timestamp empty pages, and only free them if theyve been idle for at least
a second.

this basically brings back the functionality that was trimmed in r1.53,
except this version uses ticks instead of very slow hardware clock reads.

ok tedu@
sys/kern/subr_pool.c