Date: Fri, 26 May 1995 05:27:48 +1000 From: Bruce Evans <bde@zeta.org.au> To: CVS-commiters@freefall.cdrom.com, cvs-sys@freefall.cdrom.com, davidg@freefall.cdrom.com Subject: Re: cvs commit: src/sys/i386/include param.h vmparam.h Message-ID: <199505251927.FAA06296@godzilla.zeta.org.au>
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> Modified: sys/conf param.c
> Log:
> Made "NMBCLUSTERS" calculation dynamic and fixed bogus use of "NMBCLUSTERS"
> in machdep.c (it should use the global nmbclusters). Moved the calculation
> of nmbclusters into conf/param.c (same place where nmbclusters has always
> been assigned), and made the calculation include an extra amount based
> on "maxusers". NMBCLUSTERS can still be overrided in the kernel config
^^^^^^^^^^
> file as always, but this change will make that generally unnecessary. This
> fixes the "bug" reports from people who have misconfigured kernels seeing
> the network "hang" when the mbuf cluster pool runs out.
Shouldn't it depend on `physmem'? The GENERIC default of (256 + 10 * 16)
for NMBCLUSTERS allows almost half of memory to be consumed by mbuf clusters
on a 4MB system.
Bruce
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