[m-rev.] for review: revert HBLKSIZE increase on linux

[Paul Bone]

On Wed, Apr 27, 2011 at 02:21:09PM +1000, Peter Wang wrote:
> For review by Paul.  This might be required on the release branch as well.
> 
> Branches: main
> 
> Revert custom increase to HBLKSIZE in parallel grades on Linux.
> It was already reverted on other systems due to problems with it not working.
> 
> In asm_fast.par.gc and hlc.par.gc grades on 64-bit Linux, I am getting
> aborts when GC_free is called:
> 
> Duplicate large block deallocation of 0x7f2769f10000

Can you show that this error is due to this configuration change?

Thanks.

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