Function report |
Source Code:mm\vmalloc.c |
Create Date:2022-07-28 15:00:01 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:move_vm_area - find and remove a continuous kernel virtual area*@addr: base address* Search for the kernel VM area starting at @addr, and remove it.* This function returns the found VM area, but using it is NOT safe
Proto:struct vm_struct *remove_vm_area(const void *addr)
Type:struct vm_struct
Parameter:
| Type | Parameter | Name |
|---|---|---|
| const void * | addr |
| 2198 | might_sleep() |
| 2200 | spin_lock( & vmap_area_lock) |
| 2201 | va = __find_vmap_area((unsignedlong)addr) |
| 2202 | If va && in "busy" tree Then |
| 2203 | vm = in "busy" tree |
| 2205 | in "busy" tree = NULL |
| 2206 | spin_unlock( & vmap_area_lock) |
| 2208 | kasan_free_shadow(vm) |
| 2211 | Return vm |
| 2214 | spin_unlock( & vmap_area_lock) |
| 2215 | Return NULL |
| Name | Describe |
|---|---|
| vm_remove_mappings | Handle removing and resetting vm mappings related to the vm_struct. |
| __vmalloc_area_node | |
| free_vm_area |
| Source code conversion tool public plug-in interface | X |
|---|---|
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