Date: Wed, 2 Sep 1998 08:07:34 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: bde@zeta.org.au (Bruce Evans) Cc: jdp@polstra.com, tlambert@primenet.com, bde@zeta.org.au, current@FreeBSD.ORG, reilly@zeta.org.au Subject: Re: ELF binaries size Message-ID: <199809020807.BAA25074@usr02.primenet.com> In-Reply-To: <199809020750.RAA15197@godzilla.zeta.org.au> from "Bruce Evans" at Sep 2, 98 05:50:31 pm
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> >I think Bruce is mistaking the dual mapping for a single mapping, > >on the theory that in a unified VM and buffer cache, there can be > >only one instance of a page hung off the VP. > > Nah. The dual mapping is precisely what costs a full page of real memory. The page is wasted through padding in the image, or it is wasted through padding in the execution class loader. Either way, it is wasted in the in-memory image of the application. The savings are disk-space only. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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