SND_DMA_ALLOC_PAGES_(9) Sound Devices SND_DMA_ALLOC_PAGES_(9)NAMEsnd_dma_alloc_pages_fallback - allocate the buffer area according to
the given type with fallback
SYNOPSIS
int snd_dma_alloc_pages_fallback(int type, struct device * device,
size_t size,
struct snd_dma_buffer * dmab);
ARGUMENTS
type
the DMA buffer type
device
the device pointer
size
the buffer size to allocate
dmab
buffer allocation record to store the allocated data
DESCRIPTION
Calls the memory-allocator function for the corresponding buffer type.
When no space is left, this function reduces the size and tries to
allocate again. The size actually allocated is stored in res_size
argument.
RETURN
Zero if the buffer with the given size is allocated successfully,
otherwise a negative value on error.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 SND_DMA_ALLOC_PAGES_(9)