1ROUND_JIFFIES_UP(9) Driver Basics ROUND_JIFFIES_UP(9)
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6 round_jiffies_up - function to round jiffies up to a full second
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9 unsigned long round_jiffies_up(unsigned long j);
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12 j
13 the time in (absolute) jiffies that should be rounded
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16 This is the same as round_jiffies except that it will never round down.
17 This is useful for timeouts for which the exact time of firing does not
18 matter too much, as long as they don't fire too early.
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21Kernel Hackers Manual 3.10 June 2019 ROUND_JIFFIES_UP(9)