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    Subject[patch 06/23] time: fix timeout overflow
    From: Ingo Molnar <mingo@elte.hu>

    prevent timeout overflow if timer ticks are behind jiffies (due to high
    softirq load or due to dyntick), by limiting the valid timeout range
    to MAX_LONG/2.

    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    --
    include/linux/jiffies.h | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    Index: linux-2.6.18-mm2/include/linux/jiffies.h
    ===================================================================
    --- linux-2.6.18-mm2.orig/include/linux/jiffies.h 2006-09-30 01:41:15.000000000 +0200
    +++ linux-2.6.18-mm2/include/linux/jiffies.h 2006-09-30 01:41:16.000000000 +0200
    @@ -142,13 +142,13 @@ static inline u64 get_jiffies_64(void)
    *
    * And some not so obvious.
    *
    - * Note that we don't want to return MAX_LONG, because
    + * Note that we don't want to return LONG_MAX, because
    * for various timeout reasons we often end up having
    * to wait "jiffies+1" in order to guarantee that we wait
    * at _least_ "jiffies" - so "jiffies+1" had better still
    * be positive.
    */
    -#define MAX_JIFFY_OFFSET ((~0UL >> 1)-1)
    +#define MAX_JIFFY_OFFSET ((LONG_MAX >> 1)-1)

    /*
    * We want to do realistic conversions of time so we need to use the same
    --

    -
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