Re: [PATCH 0/4] hugetlbfs: optionally reserve all fs pages at mount time

[Andi Kleen]

Mike Kravetz <mike.kravetz@xxxxxxxxxx> writes:

> 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.


What's the difference of this new option to simply doing

mount -t hugetlbfs none /huge
echo XXX > /proc/sys/vm/nr_hugepages

?

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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