Date: Mon, 17 Jul 2006 12:56:00 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Igor Sysoev <is@rambler-co.ru> Subject: Re: 2Gb SYSVSHM limitation Message-ID: <200607171256.00539.jhb@freebsd.org> In-Reply-To: <20060712125112.W61255@is.park.rambler.ru> References: <20060712125112.W61255@is.park.rambler.ru>
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On Wednesday 12 July 2006 04:58, Igor Sysoev wrote: > Hi, > > the current kernel limit of SysV memory segment is 2G. > Today it is too small for amd64 machines. > > Year ago Christian S.J. Peron had propsed the patch > http://people.freebsd.org/~csjp/bigsharedmem.1117028863.diff > to increase the limit: > http://freebsd.rambler.ru/bsdmail/freebsd-current_2005/msg05627.html > > Are objections against this patch ? Well, it breaks the ABI of shminfo. :( Changing the ABI of structures shared with userspace like this requires duplicate syscalls, etc. to not break existing binaries (such as existing 6.x amd64 binaries). -- John Baldwin
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