[dpdk-dev] DPDK 17.11.4 (Madvise)Transparent Huge pages

[Burakov, Anatoly]

On 08-Jan-19 1:15 PM, chetan bhasin wrote:
> Thanks Anatoly
> 
> On Tue, Jan 8, 2019, 16:01 Burakov, Anatoly <anatoly.burakov at intel.com 
> <mailto:anatoly.burakov at intel.com> wrote:
> 
>     On 02-Jan-19 3:31 PM, chetan bhasin wrote:
>      > Hi,
>      >
>      > I am using DPDK 17.11.4 version . Do anybody have idea that DPDK
>     is using
>      > benefit of Transparent huge-pages in case of Madvise.
>      >
>      > Thanks,
>      > Chetan Bhasin
>      >
> 
>     Hi,
> 
>     DPDK does not use MADVISE flags to allocate its hugepages - it
>     allocates
>     hugepages explicitly [1] [2].
> 
>     [1]
>     http://git.dpdk.org/dpdk/tree/lib/librte_eal/linuxapp/eal/eal_memalloc.c#n367
>     [2]
>     http://git.dpdk.org/dpdk/tree/lib/librte_eal/linuxapp/eal/eal_memory.c#n336
> 
>     -- 
>     Thanks,
>     Anatoly
> 

Apologies, i didn't notice that the question was about 17.11, so the 
source code links are incorrect. However, the answer itself is still 
correct - we always did allocate hugepages directly, and we never used 
MADVISE flags.

-- 
Thanks,
Anatoly