> Each entry in a PMD table covers 2M - and either describes a 2M > hugepage, or is a pointer to a table of PTE entries, each of which describes a > 4K page. Many Thanks! This explanation helps me a lot. I didn't know 4KB and 2MB page frames can exist at the same time:) Regards, Hao Lee _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies