Function report | 
Source Code:kernel\bpf\stackmap.c | 
Create Date:2022-07-28 13:26:04 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:prealloc_elems_and_freelist
Proto:static int prealloc_elems_and_freelist(struct bpf_stack_map *smap)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct bpf_stack_map * | smap | 
| 63 | elem_size = sizeof(structstack_map_bucket) + value_size | 
| 66 | elems = bpf_map_area_alloc(elem_size * max_entries, numa_node) | 
| 72 | If err Then Go to free_elems | 
| 75 | pcpu_freelist_populate( & freelist, elems, elem_size, max_entries) | 
| 77 | Return 0 | 
| 79 | free_elems : | 
| 81 | Return err | 
| Name | Describe | 
|---|---|
| stack_map_alloc | Called from syscall | 
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