Date: Wed, 1 Jan 1997 19:28:54 +0100 (MET) From: J Wunsch <j@uriah.heep.sax.de> To: luigi@labinfo.iet.unipi.it (Luigi Rizzo) Cc: freebsd-bugs@freefall.freebsd.org, brian@freebsd.org Subject: Re: bin/2347: sysinstall: ppp: recursive call in malloc() Message-ID: <199701011828.TAA29598@uriah.heep.sax.de> In-Reply-To: <199701011436.PAA00270@labinfo.iet.unipi.it> from Luigi Rizzo at "Jan 1, 97 03:36:27 pm"
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As Luigi Rizzo wrote: > I am using ppp here (basically 2.1R + phkmalloc) without the above > problem. On passing, iijppp is extremely bad since it does a couple of > malloc()/free() per packet (one for the header, one for the packet > itself). On a 14.4 modem this amounts to at least 10 malloc/free per > second, think what this means on a modem server. > > This could be easily fixed, if someone wants to look at it (I am > afraid bu I don't have the time to work on this, but some of the > people who added NAT might be relatively familiar with iijppp code). > The code is relatively well structured and distinguishes between > different classes of objects, so handling free lists withih iijppp > for each class should be highly efficient. Brian Somers agreed to take over maintenance of iijppp. I'm not sure about your CVS knowledge now, Brian? -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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