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    SubjectRe: [PATCH v2] hugetlbfs: correct handling of negative input to /proc/sys/vm/nr_hugepages
    On Tue, Feb 22, 2011 at 09:17:04PM +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). This patch fixes the wrong behavior so that the
    > negative input will result in nr_hugepages value unchanged.
    > v2: same fix was also done in hugetlb_overcommit_handler function
    > as suggested by reviewers.
    > Signed-off-by: Petr Holasek <>
    > Reviewed-by: Naoya Horiguchi <>


    Acked-by: Mel Gorman <>

    Mel Gorman
    SUSE Labs

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