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    SubjectRe: [PATCH v5 11/11] thp, vmstat: implement HZP_ALLOC and HZP_ALLOC_FAILED events
    On Wed, 7 Nov 2012, Kirill A. Shutemov wrote:

    > From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
    >
    > hzp_alloc is incremented every time a huge zero page is successfully
    > allocated. It includes allocations which where dropped due
    > race with other allocation. Note, it doesn't count every map
    > of the huge zero page, only its allocation.
    >
    > hzp_alloc_failed is incremented if kernel fails to allocate huge zero
    > page and falls back to using small pages.
    >

    Nobody is going to know what hzp_ is, sorry. It's better to be more
    verbose and name them what they actually are: THP_ZERO_PAGE_ALLOC and
    THP_ZERO_PAGE_ALLOC_FAILED. But this would assume we want to lazily
    allocate them, which I disagree with hpa about.


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