On Wed, 2024-03-13 at 02:49 -0700, Dongli Zhang wrote: > The memslot id=10 has: > - base_gfn=1048576 > - npages=1024 > > Therefore, "level - 1 will not contain an entry for each GFN at page > size > level". If aligned, we expect lpage_info[0] to have 512 elements. > > 1GB: lpage_info[1] has 1 element > 2MB: lpage_info[0] has 2 elemtnts 1048576 GFN is 2MB aligned, 1024 pages is also 2MB aligned. There are 512 4k pages in a 2MB huge page, so size of 2 for npages=1024 looks right to me. One struct for each potential 2MB huge page in the range. I think overall you are saying in this response that you didn't find any problem in the analysis or fix. Is that correct?
