Function report |
Source Code:kernel\dma\remap.c |
Create Date:2022-07-28 10:36:31 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:__dma_common_pages_remap
Proto:static struct vm_struct *__dma_common_pages_remap(struct page **pages, size_t size, pgprot_t prot, const void *caller)
Type:struct vm_struct
Parameter:
Type | Parameter | Name |
---|---|---|
struct page ** | pages | |
size_t | size | |
pgprot_t | prot | |
const void * | caller |
28 | area = get_vm_area_caller(size, dma_alloc_coherent , caller) |
29 | If Not area Then Return NULL |
32 | If map_vm_area(area, prot, pages) Then |
37 | Return area |
Name | Describe |
---|---|
dma_common_pages_remap | Remaps an array of PAGE_SIZE pages into another vm_area.* Cannot be used in non-sleeping contexts |
dma_common_contiguous_remap | Remaps an allocated contiguous region into another vm_area.* Cannot be used in non-sleeping contexts |
Source code conversion tool public plug-in interface | X |
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