From: Paul Jackson <pj@sgi.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
nickpiggin@yahoo.com.au
Subject: Re: [PATCH] [18/18] Implement hugepagesz= option for x86-64
Date: Mon, 17 Mar 2008 04:29:39 -0500 [thread overview]
Message-ID: <20080317042939.051e76ff.pj@sgi.com> (raw)
In-Reply-To: <20080317015832.2E3DF1B41E0@basil.firstfloor.org>
Andi wrote:
+ hugepages= [HW,X86-32,IA-64] HugeTLB pages to allocate at boot.
+ hugepagesz= [HW,IA-64,PPC,X86-64] The size of the HugeTLB pages.
+ On x86 this option can be specified multiple times
+ interleaved with hugepages= to reserve huge pages
+ of different sizes. Valid pages sizes on x86-64
+ are 2M (when the CPU supports "pse") and 1G (when the
+ CPU supports the "pdpe1gb" cpuinfo flag)
+ Note that 1GB pages can only be allocated at boot time
+ using hugepages= and not freed afterwards.
This seems to say that hugepages are required for hugepagesz to be
useful, but hugepagesz is supported on PPC, whereas hugepages is not
supported on PPC ...odd.
Should those two HW lists be the same (and sorted in the same order,
for ease of reading)?
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.940.382.4214
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2008-03-17 9:29 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-17 1:58 [PATCH] [0/18] GB pages hugetlb support Andi Kleen
2008-03-17 1:58 ` [PATCH] [1/18] Convert hugeltlb.c over to pass global state around in a structure Andi Kleen
2008-03-17 20:15 ` Adam Litke
2008-03-18 12:05 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [2/18] Add basic support for more than one hstate in hugetlbfs Andi Kleen
2008-03-17 20:22 ` Adam Litke
2008-03-17 20:44 ` Andi Kleen
2008-03-18 12:23 ` Mel Gorman
2008-03-23 10:38 ` KOSAKI Motohiro
2008-03-23 11:28 ` Andi Kleen
2008-03-23 11:30 ` KOSAKI Motohiro
2008-03-17 1:58 ` [PATCH] [3/18] Convert /proc output code over to report multiple hstates Andi Kleen
2008-03-18 12:28 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [4/18] Add basic support for more than one hstate in hugetlbfs Andi Kleen
2008-03-17 8:09 ` Paul Jackson
2008-03-17 8:15 ` Andi Kleen
2008-03-17 20:28 ` Adam Litke
2008-03-18 14:11 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [5/18] Expand the hugetlbfs sysctls to handle arrays for all hstates Andi Kleen
2008-03-18 14:34 ` Mel Gorman
2008-03-18 16:49 ` Andi Kleen
2008-03-18 17:01 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [6/18] Add support to have individual hstates for each hugetlbfs mount Andi Kleen
2008-03-18 14:10 ` Adam Litke
2008-03-18 15:02 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [7/18] Abstract out the NUMA node round robin code into a separate function Andi Kleen
2008-03-18 15:42 ` Mel Gorman
2008-03-18 15:47 ` Andi Kleen
2008-03-18 16:04 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [8/18] Add a __alloc_bootmem_node_nopanic Andi Kleen
2008-03-18 15:54 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [9/18] Export prep_compound_page to the hugetlb allocator Andi Kleen
2008-03-17 1:58 ` [PATCH] [10/18] Factor out new huge page preparation code into separate function Andi Kleen
2008-03-17 20:31 ` Adam Litke
2008-03-18 16:02 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [11/18] Fix alignment bug in bootmem allocator Andi Kleen
2008-03-17 2:19 ` Yinghai Lu
2008-03-17 7:02 ` Andi Kleen
2008-03-17 7:17 ` Yinghai Lu
2008-03-17 7:31 ` Yinghai Lu
2008-03-17 7:41 ` Andi Kleen
2008-03-17 7:53 ` Yinghai Lu
2008-03-17 8:10 ` Yinghai Lu
2008-03-17 8:17 ` Andi Kleen
2008-03-17 8:56 ` Andi Kleen
2008-03-17 18:52 ` Yinghai Lu
2008-03-17 21:27 ` Yinghai Lu
2008-03-18 2:06 ` Yinghai Lu
2008-03-18 16:18 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [12/18] Add support to allocate hugetlb pages that are larger than MAX_ORDER Andi Kleen
2008-03-18 16:27 ` Mel Gorman
2008-04-09 16:05 ` Andrew Hastings
2008-04-09 17:56 ` Andi Kleen
2008-03-17 1:58 ` [PATCH] [13/18] Add support to allocate hugepages of different size with hugepages= Andi Kleen
2008-03-18 16:32 ` Mel Gorman
2008-03-18 16:45 ` Andi Kleen
2008-03-18 16:46 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [14/18] Clean up hugetlb boot time printk Andi Kleen
2008-03-18 16:37 ` Mel Gorman
2008-03-17 1:58 ` [PATCH] [15/18] Add support to x86-64 to allocate and lookup GB pages in hugetlb Andi Kleen
2008-03-17 1:58 ` [PATCH] [16/18] Add huge pud support to hugetlbfs Andi Kleen
2008-03-17 1:58 ` [PATCH] [17/18] Add huge pud support to mm/memory.c Andi Kleen
2008-03-17 1:58 ` [PATCH] [18/18] Implement hugepagesz= option for x86-64 Andi Kleen
2008-03-17 9:29 ` Paul Jackson [this message]
2008-03-17 9:59 ` Andi Kleen
2008-03-17 10:02 ` Paul Jackson
2008-03-17 3:11 ` [PATCH] [0/18] GB pages hugetlb support Paul Jackson
2008-03-17 7:00 ` Andi Kleen
2008-03-17 7:00 ` Paul Jackson
2008-03-17 7:29 ` Andi Kleen
2008-03-17 5:35 ` Paul Jackson
2008-03-17 6:58 ` Andi Kleen
2008-03-17 9:26 ` Paul Jackson
2008-03-17 15:05 ` Adam Litke
2008-03-17 15:33 ` Andi Kleen
2008-03-17 15:59 ` Adam Litke
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080317042939.051e76ff.pj@sgi.com \
--to=pj@sgi.com \
--cc=andi@firstfloor.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=nickpiggin@yahoo.com.au \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox