Date: Sun, 8 Feb 1998 08:52:33 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: dima@tejblum.dnttm.rssi.ru (Dmitrij Tejblum) Cc: dyson@FreeBSD.ORG, mike@smith.net.au, abial@nask.pl, tlambert@primenet.com, freebsd-current@FreeBSD.ORG, jkh@FreeBSD.ORG Subject: Re: Custom init(8) (and some ideas) Message-ID: <199802081352.IAA01104@dyson.iquest.net> In-Reply-To: <199802081336.QAA15578@tejblum.dnttm.rssi.ru> from Dmitrij Tejblum at "Feb 8, 98 04:36:12 pm"
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Dmitrij Tejblum said: > "John S. Dyson" wrote: > > I think that I might have misinformed here. Gzipped binaries need swap > > backing store for each page in the image even for .text section, when > > physical memory space needs to be freed for another page. Non-gzipped > > binaries can depend on paging off of the a.out itself. Also, non-gzipped > > binaries don't have to page out the .text for the initial freeing of the > > .text space. Gzipped binaries need to page out the .text pages when they > > are individually freed due to pageout daemon activity. Also, gzipped > > binaries are not demand-loaded, but are loaded at startup. > > Also, (unpacked) .text section of gzipped binaries is not shared among several > copies of same program, like in case of normal program. If I understand > correctly, this is a big problem for Andrzej, since all his program is crunched > together. > > If text and data were gzipped separately, the life, probably, could be easier. > Yep, good observation. We can fix that seperately, by adding a mechanism for sharing such .text segments. -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe current" in the body of the message
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