Re: BUG: using smp_processor_id() in preemptible

[Avi Kivity <avi@redhat.com>]

On 06/29/2009 01:06 PM, Johannes Berg wrote:
>>> And if I add -m 512 it works just fine. Seems the default is too small
>>> for me... But why would qemu/kvm have different defaults?
>>>
>>>        
>> Both are 128 MB.  Strange.  And certainly Linux should boot in 128 MB.
>>      
>
> If I boot with -m 512 I get this:
> root@(none):~# free
>               total       used       free     shared    buffers     cached
> Mem:        378608      25196     353412          0       1012       8692
> -/+ buffers/cache:      15492     363116
> Swap:            0          0          0
>
>
> so something is definitely eating a lot of memory (missing about 142M).
> Same guest kernel/fs in qemu gets:
> freeroot@(none):~# free
>               total       used       free     shared    buffers     cached
> Mem:        407080      23236     383844          0       1056       8692
> -/+ buffers/cache:      13488     393592
> Swap:            0          0          0
>
> so it's missing about 114M.
>    

I get 500MB with 2.6.31-rc1+.  What does dmesg say about the e820 map?

-- 
error compiling committee.c: too many arguments to function