Date: Sat, 04 Aug 2018 04:55:25 +0100 From: Jamie Landeg-Jones <jamie@catflap.org> To: marklmi@yahoo.com, jamie@catflap.org Cc: markj@freebsd.org, freebsd-arm@freebsd.org, fbsd@www.zefox.net Subject: Re: RPI3 swap experiments ["was killed: out of swap space" with: "v_free_count: 5439, v_inactive_count: 1"] Message-ID: <201808040355.w743tPsF039729@donotpassgo.dyslexicfish.net> In-Reply-To: <F788BDD8-80DC-441A-AA3E-2745F50C3B56@yahoo.com> References: <20180731153531.GA94742@www.zefox.net> <201807311602.w6VG2xcN072497@pdx.rh.CN85.dnsmgr.net> <20180731191016.GD94742@www.zefox.net> <23793AAA-A339-4DEC-981F-21C7CC4FE440@yahoo.com> <20180731231912.GF94742@www.zefox.net> <2222ABBD-E689-4C3B-A7D3-50AECCC5E7B2@yahoo.com> <20180801034511.GA96616@www.zefox.net> <201808010405.w7145RS6086730@donotpassgo.dyslexicfish.net> <6BFE7B77-A0E2-4FAF-9C68-81951D2F6627@yahoo.com> <20180802002841.GB99523@www.zefox.net> <20180802015135.GC99523@www.zefox.net> <EC74A5A6-0DF4-48EB-88DA-543FD70FEA07@yahoo.com> <201808030034.w730YURL034270@donotpassgo.dyslexicfish.net> <F788BDD8-80DC-441A-AA3E-2745F50C3B56@yahoo.com>
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Mark Millard <marklmi@yahoo.com> wrote: > If Inact+Laundry+Buf(?)+Free was not enough to provide sufficient > additional RAM, I'd would have guessed that some Active Real Memory > should then have been paged/swapped out and so RAM would be made > available. (This requires the system to have left itself sufficient > room in RAM for that guessed activity.) > > But I'm no expert at the intent or actual operation. > > Bob P.'s reports (for having sufficient swap space) > also indicate the likes of: > > v_free_count: 5439, v_inactive_count: 1 > > > So all the examples have: "v_inactive_count: 1". > (So: vmd->vmd_pagequeues[PQ_INACTIVE].pq_cnt==1 ) Thanks for the feedback. I'll do a few more runs and other stress tests to see if that result is consistent. I'm open to any other idea too! Cheers, J
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