From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: [PATCH 0/1] ia64: numa emulation
Date: Thu, 20 Oct 2005 20:52:40 +0000 [thread overview]
Message-ID: <200510202052.j9KKqxg25624@unix-os.sc.intel.com> (raw)
In-Reply-To: <1129840588.6182.36.camel@localhost.localdomain>
Lee Schermerhorn wrote on Thursday, October 20, 2005 1:36 PM
> Also, because of interaction of max order and huge tlb fs [hard
> coded HPAGE_SHIFT_DEFAULT], I disable hugetlbfs when numa emulation
> is configured.
Hugetlbfs can still be safely enabled. The only downside is system
won't be able to reserve any hugetlb page with the default size. Maybe
it is senseless, but no harm is done here by enabling it.
> Back around 2.6.10, I recall seeing discussion of dynamically sizing
> hugetlbfs based on max order. I haven't tracked this to see if it
> went in. But, if it did, one could reenable hugetlbfs and adapted
> to the reduced max order automatically.
I have a patch does better than that. We can change the hugetlb page
size at run time. I will clean up my patch and post it.
- Ken
next prev parent reply other threads:[~2005-10-20 20:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-20 20:36 [PATCH 0/1] ia64: numa emulation Lee Schermerhorn
2005-10-20 20:52 ` Chen, Kenneth W [this message]
2005-10-20 20:58 ` Lee Schermerhorn
2005-10-20 21:47 ` Chen, Kenneth W
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