Function report |
Source Code:mm\dmapool.c |
Create Date:2022-07-28 15:24:22 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:dmam_pool_create - Managed dma_pool_create()*@name: name of pool, for diagnostics*@dev: device that will be doing the DMA*@size: size of the blocks in this pool
Proto:struct dma_pool *dmam_pool_create(const char *name, struct device *dev, size_t size, size_t align, size_t allocation)
Type:struct dma_pool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| const char * | name | |
| struct device * | dev | |
| size_t | size | |
| size_t | align | |
| size_t | allocation |
| 511 | ptr = devres_alloc(Managed DMA pool, size of ptr , GFP_KERNEL) |
| 512 | If Not ptr Then Return NULL |
| 516 | If pool Then devres_add(dev, ptr) |
| 518 | Else devres_free(ptr) |
| 521 | Return pool |
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