Date: Sun, 13 Apr 2008 01:00:41 +0300 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Mel <fbsd.questions@rachie.is-a-geek.net> Cc: freebsd@sopwith.solgatos.com, freebsd-questions@freebsd.org Subject: Re: 6.2 -> 7.0 now mlock(2) fails Message-ID: <87ve2m7mye.fsf@kobe.laptop> In-Reply-To: <200804122355.49490.fbsd.questions@rachie.is-a-geek.net> (Mel's message of "Sat, 12 Apr 2008 23:55:49 %2B0200") References: <200804122051.UAA06080@sopwith.solgatos.com> <200804122355.49490.fbsd.questions@rachie.is-a-geek.net>
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On Sat, 12 Apr 2008 23:55:49 +0200, Mel <fbsd.questions@rachie.is-a-geek.net> wrote:
> As for the sysctl, I'm pretty sure it's a loader tunable, like the
> more known kern.maxdsiz.
It is. The pageout daemon initializes max_wired with:
/* XXX does not really belong here */
if (vm_page_max_wired == 0)
vm_page_max_wired = cnt.v_free_count / 3;
If it's already initialized when the pageout daemon runs, it won't
change its value. Before tweaking it, it would be nice to know more
details though :)
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