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From: Andi Kleen <andi@firstfloor.org>
To: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: Andi Kleen <andi@firstfloor.org>,
	npiggin@suse.de, akpm@linux-foundation.org, linux-mm@kvack.org,
	kniht@linux.vnet.ibm.com, abh@cray.com, wli@holomorphy.com
Subject: Re: [patch 17/18] x86: add hugepagesz option on 64-bit
Date: Wed, 30 Apr 2008 22:19:32 +0200	[thread overview]
Message-ID: <20080430201932.GH20451@one.firstfloor.org> (raw)
In-Reply-To: <20080430200249.GA6903@us.ibm.com>

> Then let's just merge whatever we'd like all the time? Why have review
> at all?

Looking for bugs and problems is good, but to be honest many of your comments 
like more like
"nit picking until it looks exactly what I would have written" 
and that is not the purpose of a review.

> 
> To quote Nick from a separate discussion on similar future-proofing:
> 
> "Let's really try to put some thought into new sysfs locations. Not just
> will it work, but is it logical and will it work tomorrow..."

ABIs are different from code, they have to be more future proof because
changing them has more impact (although that seems to be commonly ignored in 
sysfs)

> infrastructure we have in place, where it claims to be generic and

The hugetlbfs code actually doesn't claim that.

> usable by architectures (as has been my impression from the discussions
> so far -- that it is extensible to other architectures), I want to be
> sure that is really the case.

It is with some future changes, but there is no need to do them for 
the initial merge, but they can be done as additional architectures
are added.

-Andi

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  reply	other threads:[~2008-04-30 20:19 UTC|newest]

Thread overview: 123+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-23  1:53 [patch 00/18] multi size, and giant hugetlb page support, 1GB hugetlb for x86 npiggin
2008-04-23  1:53 ` [patch 01/18] hugetlb: fix lockdep spew npiggin
2008-04-23 13:06   ` KOSAKI Motohiro
2008-04-23  1:53 ` [patch 02/18] hugetlb: factor out huge_new_page npiggin
2008-04-24 23:49   ` Nishanth Aravamudan
2008-04-24 23:54   ` Nishanth Aravamudan
2008-04-24 23:58     ` Nishanth Aravamudan
2008-04-25  7:10       ` Andi Kleen
2008-04-25 16:54         ` Nishanth Aravamudan
2008-04-25 19:13           ` Christoph Lameter
2008-04-25 19:29             ` Nishanth Aravamudan
2008-04-30 19:16               ` Christoph Lameter
2008-04-30 20:44                 ` Nishanth Aravamudan
2008-05-01 19:23                   ` Christoph Lameter
2008-05-01 20:25                     ` Nishanth Aravamudan
2008-05-01 20:34                       ` Christoph Lameter
2008-05-01 21:01                         ` Nishanth Aravamudan
2008-05-23  5:03                           ` Nick Piggin
2008-04-23  1:53 ` [patch 03/18] mm: offset align in alloc_bootmem npiggin, Yinghai Lu
2008-04-23  1:53 ` [patch 04/18] hugetlb: modular state npiggin
2008-04-23 15:21   ` Jon Tollefson
2008-04-23 15:38     ` Nick Piggin
2008-04-25 17:13   ` Nishanth Aravamudan
2008-05-23  5:02     ` Nick Piggin
2008-05-23 20:48       ` Nishanth Aravamudan
2008-04-23  1:53 ` [patch 05/18] hugetlb: multiple hstates npiggin
2008-04-25 17:38   ` Nishanth Aravamudan
2008-04-25 17:48     ` Nishanth Aravamudan
2008-04-25 17:55     ` Andi Kleen
2008-04-25 17:52       ` Nishanth Aravamudan
2008-04-25 18:10         ` Andi Kleen
2008-04-28 10:13           ` Andy Whitcroft
2008-05-23  5:18     ` Nick Piggin
2008-04-29 17:27   ` Nishanth Aravamudan
2008-05-23  5:19     ` Nick Piggin
2008-04-23  1:53 ` [patch 06/18] hugetlb: multi hstate proc files npiggin
2008-05-02 19:53   ` Nishanth Aravamudan
2008-05-23  5:22     ` Nick Piggin
2008-05-23 20:30       ` Nishanth Aravamudan
2008-04-23  1:53 ` [patch 07/18] hugetlbfs: per mount hstates npiggin
2008-04-25 18:09   ` Nishanth Aravamudan
2008-04-25 20:36     ` Nishanth Aravamudan
2008-04-25 22:39       ` Nishanth Aravamudan
2008-04-28 18:20         ` Adam Litke
2008-04-28 18:46           ` Nishanth Aravamudan
2008-05-23  5:24     ` Nick Piggin
2008-05-23 20:34       ` Nishanth Aravamudan
2008-05-23 22:49         ` Nick Piggin
2008-05-23 23:24           ` Nishanth Aravamudan
2008-04-23  1:53 ` [patch 08/18] hugetlb: multi hstate sysctls npiggin
2008-04-25 18:14   ` Nishanth Aravamudan
2008-05-23  5:25     ` Nick Piggin
2008-05-23 20:27       ` Nishanth Aravamudan
2008-04-25 23:35   ` Nishanth Aravamudan
2008-05-23  5:28     ` Nick Piggin
2008-05-23 10:40       ` Andi Kleen
2008-04-23  1:53 ` [patch 09/18] hugetlb: abstract numa round robin selection npiggin
2008-04-23  1:53 ` [patch 10/18] mm: introduce non panic alloc_bootmem npiggin
2008-04-23  1:53 ` [patch 11/18] mm: export prep_compound_page to mm npiggin
2008-04-23 16:12   ` Andrew Hastings
2008-05-23  5:29     ` Nick Piggin
2008-04-23  1:53 ` [patch 12/18] hugetlbfs: support larger than MAX_ORDER npiggin
2008-04-23 16:15   ` Andrew Hastings
2008-04-23 16:25     ` Andi Kleen
2008-04-25 18:55   ` Nishanth Aravamudan
2008-05-23  5:29     ` Nick Piggin
2008-04-30 21:01   ` Dave Hansen
2008-05-23  5:30     ` Nick Piggin
2008-04-23  1:53 ` [patch 13/18] hugetlb: support boot allocate different sizes npiggin
2008-04-23 16:15   ` Andrew Hastings
2008-04-25 18:40   ` Nishanth Aravamudan
2008-04-25 18:50     ` Andi Kleen
2008-04-25 20:05       ` Nishanth Aravamudan
2008-05-23  5:36     ` Nick Piggin
2008-05-23  6:04       ` Nick Piggin
2008-05-23 20:32         ` Nishanth Aravamudan
2008-05-23 22:45           ` Nick Piggin
2008-05-23 22:53             ` Nishanth Aravamudan
2008-04-23  1:53 ` [patch 14/18] hugetlb: printk cleanup npiggin
2008-04-27  3:32   ` Nishanth Aravamudan
2008-05-23  5:37     ` Nick Piggin
2008-04-23  1:53 ` [patch 15/18] hugetlb: introduce huge_pud npiggin
2008-04-23  1:53 ` [patch 16/18] x86: support GB hugepages on 64-bit npiggin
2008-04-23  1:53 ` [patch 17/18] x86: add hugepagesz option " npiggin
2008-04-30 19:34   ` Nishanth Aravamudan
2008-04-30 19:52     ` Andi Kleen
2008-04-30 20:02       ` Nishanth Aravamudan
2008-04-30 20:19         ` Andi Kleen [this message]
2008-04-30 20:23           ` Nishanth Aravamudan
2008-04-30 20:45             ` Andi Kleen
2008-04-30 20:51               ` Nishanth Aravamudan
2008-04-30 20:40     ` Jon Tollefson
2008-04-30 20:48   ` Nishanth Aravamudan
2008-05-23  5:41     ` Nick Piggin
2008-05-23 10:43       ` Andi Kleen
2008-05-23 12:34         ` Nick Piggin
2008-05-23 14:29           ` Andi Kleen
2008-05-23 20:43             ` Nishanth Aravamudan
2008-05-23 20:39       ` Nishanth Aravamudan
2008-05-23 22:52         ` Nick Piggin
2008-04-23  1:53 ` [patch 18/18] hugetlb: my fixes 2 npiggin
2008-04-23 10:48   ` Andi Kleen
2008-04-23 15:36     ` Nick Piggin
2008-04-23 18:49     ` Nishanth Aravamudan
2008-04-23 19:37       ` Andi Kleen
2008-04-23 21:11         ` Nishanth Aravamudan
2008-04-23 21:38           ` Nishanth Aravamudan
2008-04-23 22:06           ` Dave Hansen
2008-04-23 15:20   ` Jon Tollefson
2008-04-23 15:44     ` Nick Piggin
2008-04-23  8:05 ` [patch 00/18] multi size, and giant hugetlb page support, 1GB hugetlb for x86 Andi Kleen
2008-04-23 15:34   ` Nick Piggin
2008-04-23 15:46     ` Andi Kleen
2008-04-23 15:53       ` Nick Piggin
2008-04-23 16:02         ` Andi Kleen
2008-04-23 16:02           ` Nick Piggin
2008-04-23 18:54           ` Nishanth Aravamudan
2008-04-23 18:52         ` Nishanth Aravamudan
2008-04-24  2:08           ` Nick Piggin
2008-04-24  6:43             ` Nishanth Aravamudan
2008-04-24  7:06               ` Nick Piggin
2008-04-24 17:08                 ` Nishanth Aravamudan
2008-04-23 18:43   ` Nishanth Aravamudan

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