From: Christoph Lameter <clameter@sgi.com>
To: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: Greg KH <gregkh@suse.de>, Nick Piggin <npiggin@suse.de>,
wli@holomorphy.com, agl@us.ibm.com, luick@cray.com,
Lee.Schermerhorn@hp.com, linux-mm@kvack.org
Subject: Re: [RFC][PATCH] hugetlb: add information and interface in sysfs [Was Re: [RFC][PATCH 4/5] Documentation: add node files to sysfs ABI]
Date: Mon, 28 Apr 2008 14:29:02 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0804281427150.32083@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20080428205200.GA4386@us.ibm.com>
On Mon, 28 Apr 2008, Nishanth Aravamudan wrote:
> More importnatly, I think the fact that IA64 supports multiple hugepage
> sizes is a reason *for* moving to sysfs for this information? However, I
> think we may need to massage the IA64-specific bits of the kernel to
> actually support multiple hugepage size pools being available at
> run-time? That is, with the current kernel, we can only support one
> hugepagesize at run-time, due to VHPT restrictions?
We'd love to have multiple huge page pools available but the current rigid
region setup limits us to one size. Switching off the VHPT or doing some
tricks with the tlb fault handler, or freeing up an unused region (region
0?) could get us there.
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next prev parent reply other threads:[~2008-04-28 21:29 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-11 23:44 [PATCH 1/5] hugetlb: numafy several functions Nishanth Aravamudan
2008-04-11 23:47 ` [RFC][PATCH 2/5] " Nishanth Aravamudan
2008-04-11 23:47 ` [PATCH 3/5] hugetlb: interleave dequeueing of huge pages Nishanth Aravamudan
2008-04-11 23:49 ` [RFC][PATCH 4/5] Documentation: add node files to sysfs ABI Nishanth Aravamudan
2008-04-11 23:50 ` [RFC][PATCH 5/5] Documentation: update ABI and hugetlbpage.txt for per-node files Nishanth Aravamudan
2008-04-11 23:56 ` [RFC][PATCH 4/5] Documentation: add node files to sysfs ABI Greg KH
2008-04-12 0:27 ` Nishanth Aravamudan
2008-04-12 9:41 ` Nick Piggin
2008-04-12 10:26 ` Christoph Lameter
2008-04-14 21:09 ` Nishanth Aravamudan
2008-04-13 3:41 ` Greg KH
2008-04-14 21:05 ` Nishanth Aravamudan
2008-04-17 23:16 ` Nishanth Aravamudan
2008-04-17 23:22 ` Christoph Lameter
2008-04-17 23:36 ` Nishanth Aravamudan
2008-04-17 23:39 ` Christoph Lameter
2008-04-18 6:04 ` Nishanth Aravamudan
2008-04-18 17:27 ` Nishanth Aravamudan
2008-04-20 2:24 ` Greg KH
2008-04-21 16:43 ` Nishanth Aravamudan
2008-04-20 2:21 ` Greg KH
2008-04-21 6:06 ` Christoph Lameter
2008-04-21 16:41 ` Nishanth Aravamudan
2008-04-22 5:14 ` Nick Piggin
2008-04-22 16:56 ` Nishanth Aravamudan
2008-04-23 1:03 ` Nick Piggin
2008-04-23 18:32 ` Nishanth Aravamudan
2008-04-23 19:07 ` Adam Litke
2008-04-24 7:13 ` Nick Piggin
2008-04-24 15:54 ` Nishanth Aravamudan
2008-04-27 3:49 ` [RFC][PATCH] hugetlb: add information and interface in sysfs [Was Re: [RFC][PATCH 4/5] Documentation: add node files to sysfs ABI] Nishanth Aravamudan
2008-04-27 5:10 ` Greg KH
2008-04-28 17:22 ` Nishanth Aravamudan
2008-04-28 17:29 ` Greg KH
2008-04-29 17:11 ` Nishanth Aravamudan
2008-04-29 17:22 ` Greg KH
2008-04-29 18:14 ` Nishanth Aravamudan
2008-04-29 18:26 ` Greg KH
2008-04-29 23:48 ` Nishanth Aravamudan
2008-05-01 3:07 ` Greg KH
2008-05-01 18:25 ` Nishanth Aravamudan
2008-04-30 19:19 ` Nishanth Aravamudan
2008-05-01 3:08 ` Greg KH
2008-05-02 17:58 ` Nishanth Aravamudan
2008-04-28 20:31 ` Christoph Lameter
2008-04-28 20:52 ` Nishanth Aravamudan
2008-04-28 21:29 ` Christoph Lameter [this message]
2008-04-29 16:43 ` Nishanth Aravamudan
2008-04-29 17:01 ` Christoph Lameter
2008-04-14 14:52 ` [RFC][PATCH 2/5] hugetlb: numafy several functions Adam Litke
2008-04-14 21:10 ` Nishanth Aravamudan
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