| Function report | 
| Source Code: mm\nommu.c | Create Date:2022-07-28 14:37:52 | 
| Last Modify:2020-03-17 21:26:27 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:vm_munmap
Proto:int vm_munmap(unsigned long addr, size_t len)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| unsigned long | addr | |
| size_t | len | 
| 1551 | lock for writing | 
| 1552 | ret = lease a mapping* - under NOMMU conditions the chunk to be unmapped must be backed by a single* VMA, though it need not cover the whole VMA | 
| 1553 | lease a write lock | 
| 1554 | Return ret | 
| Name | Describe | 
|---|---|
| SYSCALL_DEFINE2 | |
| copy_user_test | |
| test_user_copy_init | 
| 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 |