From owner-freebsd-questions  Fri Jan 15 13:23:13 1999
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Subject: System V Shared memory regions... How big is too big?
From: "Ronald F. Guilmette" <rfg@monkeys.com>
Date: Fri, 15 Jan 1999 13:26:08 -0800
Message-ID: <26323.916435568@monkeys.com>
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Is it just me, or is there actually some sort of a limit (perhaps 4MB?)
on the maximum supported size of a System V style shared memory region
under FreeBSD 2.2.8?

I tried called shmget with (1 << 23) as the size argument, and I got
back an ``Invalid Argument'' errno.  But calling it with (1 << 22)
seems to work just fine.

I am kinda bummed.  I need to have a shared memory segment bigger than
4MB.


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