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

["Jörn Engel" <joern@purestorage.com>]

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>

Jorn

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

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