Messages in this thread | | | Date | Mon, 2 Mar 2015 15:10:09 -0800 | From | Andrew Morton <> | Subject | Re: [RFC 0/3] hugetlbfs: optionally reserve all fs pages at mount time |
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On Fri, 27 Feb 2015 14:58:08 -0800 Mike Kravetz <mike.kravetz@oracle.com> wrote:
> hugetlbfs allocates huge pages from the global pool as needed. Even if > the global pool contains a sufficient number pages for the filesystem > size at mount time, those global pages could be grabbed for some other > use. As a result, filesystem huge page allocations may fail due to lack > of pages.
Well OK, but why is this a sufficiently serious problem to justify kernel changes? Please provide enough info for others to be able to understand the value of the change.
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