1KFIFO_SIZE(9) FIFO Buffer KFIFO_SIZE(9)
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6 kfifo_size - returns the size of the fifo in bytes
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9 __must_check unsigned int kfifo_size(struct kfifo * fifo);
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12 fifo
13 the fifo to be used.
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16Kernel Hackers Manual 2.6. November 2011 KFIFO_SIZE(9)