From: Nigel Cunningham <ncunningham@crca.org.au>
To: Theodore Tso <tytso@MIT.EDU>
Cc: Pavel Machek <pavel@ucw.cz>,
pm list <linux-pm@lists.linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
TuxOnIce-devel <tuxonice-devel@tuxonice.net>
Subject: Re: [TuxOnIce-devel] [SUSPECTED SPAM] Re: [linux-pm] Proposal for a new algorithm for reading & writing a hibernation image.
Date: Sun, 06 Jun 2010 09:01:40 +1000 [thread overview]
Message-ID: <4C0AD754.7060800@crca.org.au> (raw)
In-Reply-To: <88D03BC9-5E85-482D-9431-F1CE4C958C9B@mit.edu>
Hi.
On 05/06/10 22:59, Theodore Tso wrote:
>
> On Jun 4, 2010, at 8:05 PM, Nigel Cunningham wrote:
>>> 2mb pages will probably present a problem, as will bat mappings on powerpc.
>>
>> I have the idea that 2MB pages are only used for the kernel text and read only data. Is that right? If so, perhaps they can just be unconditionally copied (so that we can restore the image if a different kernel is booted) and wouldn't need any page protection. Does that sound right?
>
> No, hugepages are available for use by userspace programs.
>
> See: https://lwn.net/Articles/374424/
Ta!
I'll take a look.
Nigel
next prev parent reply other threads:[~2010-06-05 23:01 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-03 14:50 [SUSPECTED SPAM] Re: [linux-pm] Proposal for a new algorithm for reading & writing a hibernation image Pavel Machek
2010-06-04 23:39 ` Maxim Levitsky
2010-06-04 23:58 ` Nigel Cunningham
2010-06-05 0:36 ` Maxim Levitsky
2010-06-05 0:45 ` Maxim Levitsky
2010-06-05 3:37 ` Nigel Cunningham
2010-06-05 0:47 ` Nigel Cunningham
2010-06-05 1:16 ` Maxim Levitsky
2010-06-05 3:17 ` Nigel Cunningham
2010-06-05 0:05 ` Nigel Cunningham
2010-06-05 12:59 ` [TuxOnIce-devel] " Theodore Tso
2010-06-05 23:01 ` Nigel Cunningham [this message]
2010-06-05 0:20 ` [linux-pm] [SUSPECTED SPAM] " Nigel Cunningham
2010-06-05 18:45 ` Rafael J. Wysocki
2010-06-05 19:10 ` Maxim Levitsky
2010-06-05 19:21 ` Rafael J. Wysocki
2010-06-05 22:54 ` Nigel Cunningham
2010-06-05 23:20 ` Rafael J. Wysocki
2010-06-06 7:01 ` Nigel Cunningham
2010-06-06 14:06 ` Rafael J. Wysocki
2010-06-07 5:23 ` Nigel Cunningham
2010-06-07 8:40 ` Rafael J. Wysocki
2010-06-06 0:40 ` Maxim Levitsky
2010-06-06 13:57 ` Rafael J. Wysocki
2010-06-06 15:54 ` Maxim Levitsky
2010-06-06 19:04 ` Rafael J. Wysocki
2010-06-06 19:51 ` Maxim Levitsky
2010-06-06 21:55 ` Pedro Ribeiro
2010-06-07 8:41 ` Rafael J. Wysocki
2010-06-07 5:31 ` Nigel Cunningham
2010-06-07 8:49 ` Rafael J. Wysocki
2010-06-08 2:07 ` Nigel Cunningham
2010-06-08 9:01 ` Rafael J. Wysocki
2010-06-07 13:07 ` [TuxOnIce-devel] " Martin Steigerwald
2010-06-07 21:28 ` Rafael J. Wysocki
2010-06-07 21:31 ` Nigel Cunningham
2010-06-07 5:28 ` Nigel Cunningham
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