Re: [dpdk-dev] [PATCH v3 2/6] mem: use address hint for mapping hugepages

2018-10-29 Thread Alejandro Lucero
Hi Dariousz, On Mon, Oct 29, 2018 at 4:08 PM Dariusz Stojaczyk wrote: > On Fri, Oct 5, 2018 at 2:47 PM Alejandro Lucero > wrote: > > > > Linux kernel uses a really high address as starting address for > > serving mmaps calls. If there exist addressing limitations and > > IOVA mode is VA, this s

Re: [dpdk-dev] [PATCH v3 2/6] mem: use address hint for mapping hugepages

2018-10-29 Thread Dariusz Stojaczyk
On Fri, Oct 5, 2018 at 2:47 PM Alejandro Lucero wrote: > > Linux kernel uses a really high address as starting address for > serving mmaps calls. If there exist addressing limitations and > IOVA mode is VA, this starting address is likely too high for > those devices. However, it is possible to us

[dpdk-dev] [PATCH v3 2/6] mem: use address hint for mapping hugepages

2018-10-05 Thread Alejandro Lucero
Linux kernel uses a really high address as starting address for serving mmaps calls. If there exist addressing limitations and IOVA mode is VA, this starting address is likely too high for those devices. However, it is possible to use a lower address in the process virtual address space as with 64