* [dpdk-dev] max MEMZONEs allowed
@ 2015-11-23 15:33 Nissim Nisimov
2015-11-24 8:44 ` Sergio Gonzalez Monroy
0 siblings, 1 reply; 2+ messages in thread
From: Nissim Nisimov @ 2015-11-23 15:33 UTC (permalink / raw)
To: dev
Hi all,
We are working on a system which requires allocating a big number of mem zones.
We are now reaching the max limit of MEMZONEs allowed (RTE_MAX_MEMZONE).
I see today dpdk limit the above number to 2560.
Is there any specific reason for that? can I increase it in case needed. What may be the side effects of such changes?
Thx
Nissim
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [dpdk-dev] max MEMZONEs allowed
2015-11-23 15:33 [dpdk-dev] max MEMZONEs allowed Nissim Nisimov
@ 2015-11-24 8:44 ` Sergio Gonzalez Monroy
0 siblings, 0 replies; 2+ messages in thread
From: Sergio Gonzalez Monroy @ 2015-11-24 8:44 UTC (permalink / raw)
To: Nissim Nisimov; +Cc: dev
On 23/11/2015 15:33, Nissim Nisimov wrote:
> Hi all,
>
> We are working on a system which requires allocating a big number of mem zones.
>
> We are now reaching the max limit of MEMZONEs allowed (RTE_MAX_MEMZONE).
>
> I see today dpdk limit the above number to 2560.
> Is there any specific reason for that? can I increase it in case needed. What may be the side effects of such changes?
>
You can increase the number of memsegs, 256 is just a default value.
The only side-effect I can think of, on systems that use more than the
default number of memsegs, is slower EAL initialization and increased
memseg lookup time.
Sergio
> Thx
> Nissim
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