RE: Limit hash table size

From: Chen, Kenneth W <kenneth.w.chen_at_intel.com>
Date: 2004-01-15 09:29:12
Manfred Spraul wrote:
> What about making the limit configurable with a boot time
> parameter? If someone uses a 512 GB ppc64 as an nfs server,
> he might want a 2 GB inode hash.

I'm sorry, this code won't have any effect beyond MAX_ORDER defined for
each architecture.  It's not possible to get 2GB hash table on PPC64
since MAX_ORDER is defined at 13 so far for PPC64, which means a 16MB
absolute upper limit enforced by the page allocator.

- Ken
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Received on Wed Jan 14 17:35:54 2004

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