---
name: "snd_pcm_mmap_data_open"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/snd_pcm_mmap_data_open"
---

# snd\_pcm\_mmap\_data\_open(9)

increase the mmap counter

## NAME

snd\_pcm\_mmap\_data\_open - increase the mmap counter

## SYNOPSIS

**void snd\_pcm\_mmap\_data\_open(struct vm\_area\_struct \*** *area***);**

## ARGUMENTS

*area*

VMA

## DESCRIPTION

PCM mmap callback should handle this counter properly

## COPYRIGHT