On Fri, Feb 24, 2017 at 09:08:30AM -0800, Dave Hansen wrote: > On 02/22/2017 10:50 AM, Shaohua Li wrote: > > @@ -770,6 +774,7 @@ static int show_smap(struct seq_file *m, void *v, int > > is_pid) > > "Private_Dirty: %8lu kB\n" > > "Referenced: %8lu kB\n" > > "Anonymous: %8lu kB\n" > > + "LazyFree: %8lu kB\n" > > "AnonHugePages: %8lu kB\n" > > "ShmemPmdMapped: %8lu kB\n" > > "Shared_Hugetlb: %8lu kB\n" > > I've been as guily of this in the past as anyone, but are we just going > to keep adding fields to smaps forever? For the vast, vast, majority of > folks, this will simply waste the 21 bytes * nr_vmas that it costs us to > print "LazyFree: 0 kB\n" over and over. > > Should we maybe start a habit of not printing an entry when it's "0 kB"?
Interesting idea! I'd like this is a separate patch if we go this way, because this is likely to be controversial. That said, sounds there is no reason we shouldn't do this. Thanks, Shaohua
