From: Pavel Machek <pavel@ucw.cz>
To: Rik van Riel <riel@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, mingo@redhat.com, akpm@linux-foundation.org
Subject: Re: [PATCH] x86: 46 bit PAE support
Date: Thu, 7 May 2009 14:01:30 +0200 [thread overview]
Message-ID: <20090507120103.GA1497@ucw.cz> (raw)
In-Reply-To: <4A0180AB.20108@redhat.com>
On Wed 2009-05-06 08:20:59, Rik van Riel wrote:
> H. Peter Anvin wrote:
>> Rik van Riel wrote:
>>> Testing: booted it on an x86-64 system with 6GB RAM. Did you really think
>>> I had access to a system with 64TB of RAM? :)
>>
>> No, but it would be good if we could test it under Qemu or KVM with an
>> appropriately set up sparse memory map.
>
> I don't have a system with 1TB either, which is how much space
> the memmap[] would take...
Do we really have 1 byte overhead per 64 bytes of RAM?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Rik van Riel <riel@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, mingo@redhat.com, akpm@linux-foundation.org
Subject: Re: [PATCH] x86: 46 bit PAE support
Date: Thu, 7 May 2009 14:01:30 +0200 [thread overview]
Message-ID: <20090507120103.GA1497@ucw.cz> (raw)
In-Reply-To: <4A0180AB.20108@redhat.com>
On Wed 2009-05-06 08:20:59, Rik van Riel wrote:
> H. Peter Anvin wrote:
>> Rik van Riel wrote:
>>> Testing: booted it on an x86-64 system with 6GB RAM. Did you really think
>>> I had access to a system with 64TB of RAM? :)
>>
>> No, but it would be good if we could test it under Qemu or KVM with an
>> appropriately set up sparse memory map.
>
> I don't have a system with 1TB either, which is how much space
> the memmap[] would take...
Do we really have 1 byte overhead per 64 bytes of RAM?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
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next prev parent reply other threads:[~2009-05-07 12:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-05 21:28 [PATCH] x86: 46 bit PAE support Rik van Riel
2009-05-05 21:28 ` Rik van Riel
2009-05-06 1:53 ` H. Peter Anvin
2009-05-06 1:53 ` H. Peter Anvin
2009-05-06 12:20 ` Rik van Riel
2009-05-06 12:20 ` Rik van Riel
2009-05-06 12:30 ` Ingo Molnar
2009-05-06 12:30 ` Ingo Molnar
2009-05-07 12:01 ` Pavel Machek [this message]
2009-05-07 12:01 ` Pavel Machek
2009-05-07 14:16 ` Ingo Molnar
2009-05-07 14:16 ` Ingo Molnar
2009-05-07 14:27 ` H. Peter Anvin
2009-05-07 14:27 ` H. Peter Anvin
2009-05-07 14:49 ` Ingo Molnar
2009-05-07 14:49 ` Ingo Molnar
2009-05-06 3:27 ` [tip:x86/mm] x86: 46 bit physical address support on 64 bits tip-bot for Rik van Riel
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