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

[David Rientjes]

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@xxxxxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
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