Re: hugepage patches

[Andrew Morton <akpm@digeo.com>]

"Seth, Rohit" <rohit.seth@intel.com> wrote:
>
> Andrew,
> 
> New allocation of hugepages is an atomic operation.  Partial allocations
> of hugepages is not a possibility.

Yes it is?  If you ask hugetlb_prefault() to fault in four pages, and there
are only two pages available then it will instantiate just the two pages.

And updating i_size at the place where we add the page to pagecache makes
some sense..


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