On Fri 23-09-16 15:50:51, Michal Hocko wrote: > On Fri 23-09-16 21:12:33, Robert Ho wrote: [...] > > @@ -786,7 +791,7 @@ static int show_smap(struct seq_file *m, void *v, int > > is_pid) > > "KernelPageSize: %8lu kB\n" > > "MMUPageSize: %8lu kB\n" > > "Locked: %8lu kB\n", > > - (vma->vm_end - vma->vm_start) >> 10, > > + (vma->vm_end - max(vma->vm_start, m->version)) >> 10, > > mss.resident >> 10, > > (unsigned long)(mss.pss >> (10 + PSS_SHIFT)), > > mss.shared_clean >> 10,
And forgot to mention that this is not sufficient either. You also need to restrict the pte walk to get sane numbers... -- Michal Hocko SUSE Labs
