Date: Sun, 20 Jan 2019 22:13:35 +0000 From: RW <rwmaillists@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: The mysterious kern.maxswzone Message-ID: <20190120221335.45174d3b@gumby.homeunix.com> In-Reply-To: <iEZ_NWrsBteUEwMtKDxQZojCIftaHztEdEcJ3hIi50EzjkI2sICA-GD9jCugGWgAiZcwn30fd1hQH3SHdaCbYTX48ZyAjiewUIU8Tam0I7Q=@protonmail.ch> References: <20190116022046.GA45024@admin.sibptus.ru> <20190120094948.GA7774@admin.sibptus.ru> <iEZ_NWrsBteUEwMtKDxQZojCIftaHztEdEcJ3hIi50EzjkI2sICA-GD9jCugGWgAiZcwn30fd1hQH3SHdaCbYTX48ZyAjiewUIU8Tam0I7Q=@protonmail.ch>
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On Sun, 20 Jan 2019 17:01:50 +0000 Lorenzo Salvadore via freebsd-questions wrote: > > Victor Sudakov wrote: > > > > > I have a small 11.2-RELEASE-p8 i386 system with 512M swap and > > > 256M RAM: > > > > > > swapinfo > > > > > > ========= > > > > > > Device 1K-blocks Used Avail Capacity > > > /dev/mirror/gm0s1b 524288 29656 494632 6% > > > I guess it's not an extraordinary amount of swap for this amount > > > of RAM. However, on boot I see the warning: > > > warning: total configured swap (131072 pages) exceeds maximum > > > recommended amount (113792 pages). warning: increase > > > kern.maxswzone or reduce amount of swap. > > > > Anyone? > Assuming you just want to get rid of the warnings try to do as > suggested. According to the output of "sysctl -d kern.maxswzone" this > variabile regulates the maximum memory for swap metadata. In my case > it is 0: probably this means "do not set any maximum", "use as much > memory as you need". 0 means use the calculated default value. If you set kern.maxswzone above the default it's ignored, so there's little reason for setting it. I'm surprised the warning is showing below 2*RAM, it used to allow for 4*RAM.
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