Date: Mon, 2 Nov 2009 16:56:59 +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: r198811 - head/sys/vm Message-ID: <200911021656.nA2GuxK1063687@svn.freebsd.org>
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Author: ivoras Date: Mon Nov 2 16:56:59 2009 New Revision: 198811 URL: http://svn.freebsd.org/changeset/base/198811 Log: Add sysctl documentation strings. The descriptions are derived from tuning(7). One of the descriptions references tuning(7) because it is too complex to adequatly describe here (it is not a simple boolean sysctl) and users should be warned to that. Reviewed by: alc, kib Approved by: gnn (mentor) Modified: head/sys/vm/swap_pager.c Modified: head/sys/vm/swap_pager.c ============================================================================== --- head/sys/vm/swap_pager.c Mon Nov 2 16:55:33 2009 (r198810) +++ head/sys/vm/swap_pager.c Mon Nov 2 16:56:59 2009 (r198811) @@ -155,11 +155,15 @@ int swap_pager_avail; static int swdev_syscall_active = 0; /* serialize swap(on|off) */ static vm_ooffset_t swap_total; -SYSCTL_QUAD(_vm, OID_AUTO, swap_total, CTLFLAG_RD, &swap_total, 0, ""); +SYSCTL_QUAD(_vm, OID_AUTO, swap_total, CTLFLAG_RD, &swap_total, 0, + "Total amount of available swap storage."); static vm_ooffset_t swap_reserved; -SYSCTL_QUAD(_vm, OID_AUTO, swap_reserved, CTLFLAG_RD, &swap_reserved, 0, ""); +SYSCTL_QUAD(_vm, OID_AUTO, swap_reserved, CTLFLAG_RD, &swap_reserved, 0, + "Amount of swap storage needed to back all allocated anonymous memory."); static int overcommit = 0; -SYSCTL_INT(_vm, OID_AUTO, overcommit, CTLFLAG_RW, &overcommit, 0, ""); +SYSCTL_INT(_vm, OID_AUTO, overcommit, CTLFLAG_RW, &overcommit, 0, + "Configure virtual memory overcommit behavior. See tuning(7) " + "for details."); /* bits from overcommit */ #define SWAP_RESERVE_FORCE_ON (1 << 0)
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