Re: [Qemu-devel] [PATCH RESEND for 1.4-stable] net: reduce memory allocation when multiqueue is not used

[Jason Wang]

On 02/20/2013 09:01 PM, Stefan Hajnoczi wrote:
> On Wed, Feb 20, 2013 at 06:11:33PM +0800, Jason Wang wrote:
>> Edivaldo reports a problem that the array of NetClientState in NICState is 
>> too
>> large - MAX_QUEUE_NUM(1024) which will waste memory even if multiqueue is not
>> used.
>>
>> For 1.4 we can just solve this by reduce the MAX_QUEUE_NUM to 8 which is the
>> same as the current kernel (3.8+) tap queue limit. For 1.5, we will use 
>> dynamic
>> allocation instead.
>>
>> Cc: Edivaldo de Araujo Pereira <address@hidden>
>> Signed-off-by: Jason Wang <address@hidden>
>> ---
>> RESEND since the previous mail misses the list.
>> ---
>>  include/net/net.h |    2 +-
>>  1 files changed, 1 insertions(+), 1 deletions(-)
> Is dynamic allocation much more complex?  If it takes another 2 or 3
> days to come up with a patch, then that would be preferrable to a static
> 8 queue limit.
>
> Stefan
>

Should be not complex, will do it.

Thanks