Date: Mon, 7 Oct 1996 14:44:22 -0500 (EST) From: John Dyson <dyson@dyson.iquest.net> To: guido@gvr.win.tue.nl (Guido van Rooij) Cc: dyson@freefall.freebsd.org, CVS-committers@freefall.freebsd.org, cvs-all@freefall.freebsd.org, cvs-sys@freefall.freebsd.org Subject: Re: cvs commit: src/sys/vm vm_page.h Message-ID: <199610071944.OAA02756@dyson.iquest.net> In-Reply-To: <199610071906.VAA14622@gvr.win.tue.nl> from "Guido van Rooij" at Oct 7, 96 09:06:26 pm
next in thread | previous in thread | raw e-mail | index | archive | help
> John Dyson wrote: > > dyson 96/10/06 15:26:17 > > > > Modified: sys/vm vm_page.h > > Log: > > Make the default cache size optim to be 256K, the old default was > > 64K. The change has essentially neutral effect on those machines with > > little or no cache, and has a positive effect on "normal" machines > > with 256K or more cache. > > > > Revision Changes Path > > 1.33 +10 -9 src/sys/vm/vm_page.h > > > > It seems like PQ_L2_SIZE is about 25% of the cache size. If this is indeed > the general size, wouldn't it be nice to make it controlable from the > kernel config file? > PQ_L2_SIZE is the size in pages... PQ_L2_SIZE * PAGE_SIZE = 256k. IMO, It is kind-of bogus to "hard-code" the value, and I am thinking about a good solution for that problem. The value is controllable from the config file, but my naming conventions leave something to be desired, so I haven't documented them (yet.) If you have any ideas, let me know!!! John
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199610071944.OAA02756>