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Re: [Qemu-devel] qemu git head 20100323 on FreeBSD - qemu-devel port upd
From: |
Juergen Lock |
Subject: |
Re: [Qemu-devel] qemu git head 20100323 on FreeBSD - qemu-devel port update for testing |
Date: |
Tue, 30 Mar 2010 22:45:48 +0200 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
On Tue, Mar 30, 2010 at 01:33:15PM -0700, Richard Henderson wrote:
> On 03/30/2010 01:09 PM, Juergen Lock wrote:
> > Oh sorry if that was not clear, things go into swap if I _replace_ the
> > endaddr ~0ul (which caused the assert) with the max value the assert
> > still tolerates i.e.
> > ((abi_ulong)1 << L1_MAP_ADDR_SPACE_BITS) - 1
> > which in this case seems to be 0x7fffffffffff:
>
> Yes, I got that. And I see from ...
>
> > #3 0x0000000060012731 in page_set_flags (start=140737488224256,
> > end=18446744073709551615, flags=32)
>
> ... here that the range we're reserving is
>
> 0x7ffffffe0000 ... 0x7fffffffffff
>
> which is a mere 128k range. Which ought to allocate no more than
> a single leaf page table (and thus N-1 pages for the N-level table).
>
> Which doesn't answer the question of why you'd wind up running out
> of memory.
Ah yeah our mails crossed each other :) Yeah I don't know...
Cheers,
Juergen