On Tue, Jan 12, 2021 at 4:12 PM Arjun Roy <arjunroy@xxxxxxxxxx> wrote: > > On Tue, Jan 12, 2021 at 3:48 PM Roman Gushchin <guro@xxxxxx> wrote: > > [snip] > > Historically we have a corresponding vmstat counter to each charged page. > > It helps with finding accounting/stastistics issues: we can check that > > memory.current ~= anon + file + sock + slab + percpu + stack. > > It would be nice to preserve such ability. > > > > Perhaps one option would be to have it count as a file page, or have a > new category. > Oh these are actually already accounted for in NR_FILE_MAPPED.