[Lhms-devel] Re: Help text for memory model config section?

Anton Blanchard anton at samba.org
Thu Jul 7 10:40:07 EST 2005

Hi Mike,

> I think someone once told me that LMB size is 'adjusted' based on the
> amount of memory in the system?  The more memory, the bigger the LMBs.
> But, it was possible to have LMBs as small as 16MB.  Does that sound
> correct?
> As a data point, my OpenPower 720 with 8GB of memory has 32MB LMBs.

Definitely, we would expect the big memory layouts to have 256MB LMBs.
However it looks like sparsemem uses compile time constants to work out
the layout of the structures.


More information about the Linuxppc64-dev mailing list