Messages in this thread | | | Date | Wed, 23 Feb 2011 16:18:18 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] hugetlbfs: correct handling of negative input to /proc/sys/vm/nr_hugepages |
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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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