snd_pcm_mmap_data_close(9)

1SND_PCM_MMAP_DATA_CL(9)          Sound Devices         SND_PCM_MMAP_DATA_CL(9)
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NAME

6       snd_pcm_mmap_data_close - decrease the mmap counter
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9       void snd_pcm_mmap_data_close(struct vm_area_struct * area);
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12       area
13           VMA
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16       PCM mmap callback should handle this counter properly
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19Kernel Hackers Manual 3.10         June 2019           SND_PCM_MMAP_DATA_CL(9)