On Mon, Jun 27, 2022 at 9:07 AM Sean Christopherson <seanjc@xxxxxxxxxx> wrote: > > On Mon, Jun 06, 2022, Yosry Ahmed wrote: > > Add NR_SECONDARY_PAGETABLE stat to count secondary page table uses, e.g. > > KVM mmu. This provides more insights on the kernel memory used > > by a workload. > > Please provide more justification for NR_SECONDARY_PAGETABLE in the changelog. > Specially, answer the questions that were asked in the previous version: > > 1. Why not piggyback NR_PAGETABLE? > 2. Why a "generic" NR_SECONDARY_PAGETABLE instead of NR_VIRT_PAGETABLE? > > It doesn't have to be super long, but provide enough info so that reviewers and > future readers don't need to go spelunking to understand the motivation for the > new counter type. I added such justification in the cover letter, is it better to include it here alternatively? or do you think the description in the cover letter is lacking? > > And it's probably worth an explicit Link to Marc's question that prompted the long > discussion in the previous version, that way if someone does want the gory details > they have a link readily available. > > Link: https://lore.kernel.org/all/87ilqoi77b.wl-maz@xxxxxxxxxx I will include the link in the next version. Thanks!
