On 7/6/22 01:59, Baolin Wang wrote: > Now we will miss to account the PUD level pagetable and kernel PTE level > pagetable, as well as missing to set the PG_table flags for these pagetable > pages, which will get an inaccurate pagetable accounting, and miss > PageTable() validation in some cases. So this patch set introduces new > helpers to help to account PUD and kernel PTE pagetable pages. Could you explain the motivation for this series a bit more? Is there a real-world problem that this fixes?