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SubjectRe: [PATCH] hugetlbfs: correct handling of negative input to /proc/sys/vm/nr_hugepages
On Tue, 22 Feb 2011 10:02:36 +0000
Mel Gorman <mel@csn.ul.ie> wrote:

> On Mon, Feb 21, 2011 at 04:47:49PM +0100, Petr Holasek wrote:
> > When user insert negative value into /proc/sys/vm/nr_hugepages it will result
> > in the setting a random number of HugePages in system (can be easily showed
> > at /proc/meminfo output).
>
> I bet you a shiny penny that the value of HugePages becomes the maximum
> number that could be allocated by the system at the time rather than a
> random value.

That seems to be the case from my reading. In which case the patch
removes probably-undocumented and possibly-useful existing behavior.



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