Date: Sun, 18 Jul 2010 10:15:33 +0000 (UTC) From: Ivan Voras <ivoras@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r210217 - head/sys/kern Message-ID: <201007181015.o6IAFXvK018739@svn.freebsd.org>
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Author: ivoras Date: Sun Jul 18 10:15:33 2010 New Revision: 210217 URL: http://svn.freebsd.org/changeset/base/210217 Log: In keeping with the Age-of-the-fruitbat theme, scale up hirunningspace on machines which can clearly afford the memory. This is a somewhat conservative version of the patch - more fine tuning may be necessary. Idea from: Thread on hackers@ Discussed with: alc Modified: head/sys/kern/vfs_bio.c Modified: head/sys/kern/vfs_bio.c ============================================================================== --- head/sys/kern/vfs_bio.c Sun Jul 18 08:54:31 2010 (r210216) +++ head/sys/kern/vfs_bio.c Sun Jul 18 10:15:33 2010 (r210217) @@ -621,7 +621,9 @@ bufinit(void) lobufspace = hibufspace - MAXBSIZE; lorunningspace = 512 * 1024; - hirunningspace = 1024 * 1024; + hirunningspace = lmin(roundup(hibufspace/64, MAXBSIZE), 16*1024*1024); + if (hirunningspace < 1024 * 1024) + hirunningspace = 1024 * 1024; /* * Limit the amount of malloc memory since it is wired permanently into
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