1SND_PCM_LIB_ALLOC_VM(9) Sound Devices SND_PCM_LIB_ALLOC_VM(9)
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6 snd_pcm_lib_alloc_vmalloc_32_buffer - allocate 32-bit-addressable
7 buffer
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10 int
11 snd_pcm_lib_alloc_vmalloc_32_buffer(struct snd_pcm_substream * substream,
12 size_t size);
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15 substream
16 the substream to allocate the buffer to
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18 size
19 the requested buffer size, in bytes
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22 This function works like snd_pcm_lib_alloc_vmalloc_buffer, but uses
23 vmalloc_32, i.e., the pages are allocated from 32-bit-addressable
24 memory.
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27 1 if the buffer was changed, 0 if not changed, or a negative error
28 code.
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31Kernel Hackers Manual 3.10 June 2019 SND_PCM_LIB_ALLOC_VM(9)