On 10/04/2017 10:06 PM, Kirill A. Shutemov wrote: > This patch switches page table accounting to single counter from > three -- nr_ptes, nr_pmds and nr_puds. > > mm->pgtables_bytes is now used to account page table levels. We use > bytes, because page table size for different levels of page table tree > may be different. > > The change has user-visible effect: we don't have VmPMD and VmPUD > reported in /proc/[pid]/status. Not sure if anybody uses them. > (As alternative, we can always report 0 kB for them.) > > OOM-killer report is also slightly changed: we now report pgtables_bytes > instead of nr_ptes, nr_pmd, nr_puds. Could you please mention the motivation of doing this ? Why we are consolidating the counters which also changes /proc/ interface as well as OOM report ? What is the benefit ? -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
