Re: [PATCH] hugetlb: vmstat events for huge page allocations

[KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>]

Hi

> Allocating huge pages directly from the buddy allocator is not guaranteed
> to succeed.  Success depends on several factors (such as the amount of
> physical memory available and the level of fragmentation).  With the
> addition of dynamic hugetlb pool resizing, allocations can occur much more
> frequently.  For these reasons it is desirable to keep track of huge page
> allocation successes and failures.
> 
> Add two new vmstat entries to track huge page allocations that succeed and
> fail.  The presence of the two entries is contingent upon
> CONFIG_HUGETLB_PAGE being enabled.

In generaly, I like this patch.

Have you seen Andi Kleen's "GB pages hugetlb support" series?
it contain multiple size hugepage support.
if it is merged, Is your patch caused any effect?



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