Re: [Qemu-devel] qemu git head 20100323 on FreeBSD - qemu-devel port update for testing

[Richard Henderson]

On 03/30/2010 12:16 PM, Juergen Lock wrote:
>  I first tried to replace the endaddr in the !h2g_valid(endaddr) case with
>       ((abi_ulong)1 << L1_MAP_ADDR_SPACE_BITS) - 1
> if TARGET_ABI_BITS > L1_MAP_ADDR_SPACE_BITS (which comes from the condition
> of the assert in page_set_flags() that was triggered on the ~0ul value),
> but that caused the qemu process to grow into swap and made the box
> usuable when that code was reached and I had to kill qemu.  (The box has
> 8 GB RAM.)  And so I thought just leaving that page range unprotected
> if only the start address is valid was the lesser evil...

What's are the real arguments to the page_set_flags that causes things
to go into swap?  I can't imagine the range really being so large that
it causes massive allocation within that function...


r~