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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




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