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From "Ralf S. Engelschall" <>
Subject Re: cvs commit: apache-2.0/src/modules/mpm/prefork prefork.c
Date Sat, 11 Nov 2000 09:49:32 GMT

In article <> you wrote:
> On 10 Nov 2000, Jeff Trawick wrote:
>> >   MM has a bug that when you ask for a specific amount of shared memory
>> >   it allocates just that amount.  But, MM actually uses some of it, so we
>> >   need to over allocate just a bit.  On 32 bit machines 40 bytes is enough,
>> >   but on a 64 bit machine it isn't.  So, we bump it up to 80 bytes until
>> >   MM fixes this bug.
>> >   Submitted by:     David Hill <>
>> Wouldn't it be *much* better to change mm or at least add the 80 bytes in 
>> apr_shm_init() before calling mm_create()?
> Yes, and I have spoken to Ralf about this.  He is doing the work, but we
> need a quick and dirty work-around in the meantime.  If Ralf doesn't fix
> it and release a new version soon, I will just hack MM, but right now I
> just want this working on Tru64.

I'm already on the way adjusting the MM API so we can provide
both ways of specifying the shared memory size.

                                       Ralf S. Engelschall

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