Date: Thu, 1 Nov 2012 17:22:41 +0000 (UTC) From: Alfred Perlstein <alfred@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r242443 - user/alfred/9-alfred/sys/kern Message-ID: <201211011722.qA1HMfNS040767@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: alfred Date: Thu Nov 1 17:22:41 2012 New Revision: 242443 URL: http://svn.freebsd.org/changeset/base/242443 Log: Merge r242029: scale maxusers past 384 for mbufs. Modified: user/alfred/9-alfred/sys/kern/subr_param.c Directory Properties: user/alfred/9-alfred/sys/ (props changed) Modified: user/alfred/9-alfred/sys/kern/subr_param.c ============================================================================== --- user/alfred/9-alfred/sys/kern/subr_param.c Thu Nov 1 17:19:07 2012 (r242442) +++ user/alfred/9-alfred/sys/kern/subr_param.c Thu Nov 1 17:22:41 2012 (r242443) @@ -278,8 +278,16 @@ init_param2(long physpages) maxusers = physpages / (2 * 1024 * 1024 / PAGE_SIZE); if (maxusers < 32) maxusers = 32; - if (maxusers > 384) - maxusers = 384; + /* + * Clips maxusers to 384 on machines with <= 4GB RAM or 32bit. + * Scales it down 6x for large memory machines. + */ + if (maxusers > 384) { + if (sizeof(void *) <= 4) + maxusers = 384; + else + maxusers = 384 + ((maxusers - 384) / 6); + } } /*
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201211011722.qA1HMfNS040767>