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

David Rientjes
2015-08-12T20:26:04Z

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>