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DPDK hugepages are movable?

dpdk-dev Stephen Hemminger 1 participant 1 message Nov 23, 2020

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There is a problem being discussed in the Linux memory management list that maybe of interest to DPDK developers. The DPDK/ VFIO assumes that it can do DMA from hugepaged memory because it is pinned. But in reality the hugepages are still in ZONE_MOVABLE.

You can follow the thread here: https://marc.info/?l=linux-mm&m=160590410611711&w=2