Date: Sat, 02 Aug 2003 15:46:45 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Andy Farkas <andyf@speednet.com.au> Cc: arch@freebsd.org Subject: Re: headsup: swap_pager.c Message-ID: <10603.1059832005@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 02 Aug 2003 22:46:20 %2B1000." <20030802221832.S41132-100000@hewey.af.speednet.com.au>
next in thread | previous in thread | raw e-mail | index | archive | help
In message <20030802221832.S41132-100000@hewey.af.speednet.com.au>, Andy Farkas writes: >Poul-Henning Kamp wrote: > >> Setting NSWAPDEV=1 is not an option, because that means that >> administrators which find themselves in a pinch can not add another >> swap-space to ride off a storm. > >You still are not explaining why the current code is wrong. You say >"bogo-vnode". Please explain what that means. A bogos vnode. >What does "in a pinch" mean?? That for instance you are running out of swap, if NSWAPDEV==1 you cannot add another swapdev because the one and only slot is occupied (and the device is filled too). >What do those numbers in kern.malloc mean?? That the corresponding amount of RAM is unchangably occupied by a table which is 3/4 empty and therefore nothing else can use that RAM productively. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?10603.1059832005>