Function report |
Source Code:kernel\dma\remap.c |
Create Date:2022-07-28 10:36:34 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Unmaps a range previously mapped by dma_common_*_remap
Proto:void dma_common_free_remap(void *cpu_addr, size_t size)
Type:void
Parameter:
| Type | Parameter | Name |
|---|---|---|
| void * | cpu_addr | |
| size_t | size |
| 90 | area = find_vm_area(cpu_addr) |
| 92 | If Not area || flags != dma_alloc_coherent Then |
| 97 | unmap_kernel_range((unsignedlong)cpu_addr, align the pointer to the (next) page boundary (size)) |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |