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i2o_dma_realloc
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
i2o_dma_realloc - Realloc DMA memorySYNOPSIS
- int i2o_dma_realloc(struct device * dev, struct i2o_dma * addr, size_t len, gfp_t gfp_mask);
ARGUMENTS
dev
- struct device pointer to the PCI device of the I2O controller
addr
- pointer to a i2o_dma struct DMA buffer
len
- new length of memory
gfp_mask
- GFP mask
DESCRIPTION
If there was something allocated in the addr, free it first. If len > 0 than try to allocate it and write the addresses back to the addr structure. If len == 0 set the virtual address to NULL.
Returns the 0 on success or negative error code on failure.
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