Re: [PATCH v4 1/2] mm: hugetlb: proc: add HugetlbPages field to /proc/PID/smaps

Jörn Engel
2015-08-13T21:14:40Z

On Wed, Aug 12, 2015 at 01:25:59PM -0700, David Rientjes wrote:
> On Wed, 12 Aug 2015, Naoya Horiguchi wrote:
>
> > Currently /proc/PID/smaps provides no usage info for vma(VM_HUGETLB), which
> > is inconvenient when we want to know per-task or per-vma base hugetlb usage.
> > To solve this, this patch adds a new line for hugetlb usage like below:
> >
> > Size: 20480 kB
> > Rss: 0 kB
> > Pss: 0 kB
> > Shared_Clean: 0 kB
> > Shared_Dirty: 0 kB
> > Private_Clean: 0 kB
> > Private_Dirty: 0 kB
> > Referenced: 0 kB
> > Anonymous: 0 kB
> > AnonHugePages: 0 kB
> > HugetlbPages: 18432 kB
> > Swap: 0 kB
> > KernelPageSize: 2048 kB
> > MMUPageSize: 2048 kB
> > Locked: 0 kB
> > VmFlags: rd wr mr mw me de ht
> >
> > Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
>
> Acked-by: David Rientjes <rientjes@google.com>

Acked-by: Joern Engel <joern@logfs.org>

Jörn

--
One of my most productive days was throwing away 1000 lines of code.
-- Ken Thompson.