[virtio-dev] Re: [PATCH] content: document hugetlb page allocation counts

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Apr 18, 2018 at 10:10:19AM -0700, Jonathan Helman wrote:
> The Linux kernel exports the number of successful and failed
> hugetlb page allocations via the virtio balloon driver. These
> two counts need to be documented in this specification.
> 
> Signed-off-by: Jonathan Helman <jonathan.helman@oracle.com>

Thanks!
Would you mind opening a github issue to address that?
If you have to repost, you will be able to add a "Fixes:" tag
then.

> ---
>  content.tex | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/content.tex b/content.tex
> index 7a92cb1..110ab70 100644
> --- a/content.tex
> +++ b/content.tex
> @@ -4516,6 +4516,8 @@ struct virtio_balloon_stat {
>  #define VIRTIO_BALLOON_S_MEMTOT   5
>  #define VIRTIO_BALLOON_S_AVAIL    6
>  #define VIRTIO_BALLOON_S_CACHES   7
> +#define VIRTIO_BALLOON_S_HTLB_PGALLOC 8
> +#define VIRTIO_BALLOON_S_HTLB_PGFAIL  9
>          le16 tag;
>          le64 val;
>  } __attribute__((packed));
> @@ -4604,6 +4606,12 @@ first buffer.
>  \item[VIRTIO_BALLOON_S_CACHES (7)] The amount of memory, in bytes, that can be
>    quickly reclaimed without additional I/O. Typically these pages are used for
>    caching files from disk.
> +
> +\item[VIRTIO_BALLOON_S_HTLB_PGALLOC (8)] The number of successful hugetlb page
> +  allocations in the guest.
> +
> +\item[VIRTIO_BALLOON_S_HTLB_PGFAIL (9)] The number of failed hugetlb page
> +  allocations in the guest.
>  \end{description}
>  
>  \section{SCSI Host Device}\label{sec:Device Types / SCSI Host Device}
> -- 
> 1.8.3.1

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