Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/trace/ring_buffer.c __rb_allocate_pages() -> rb_meta_buffer_update()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 1 | bpage | 4096-ptr_max |
| PARAM_VALUE | 1 | bpage->page | 1-u64max |
| BUF_SIZE | 0 | cpu_buffer | (-1)-s32max |
| BUF_SIZE | 0 | cpu_buffer | (-1)-s32max |
| BUF_SIZE | 0 | cpu_buffer->buffer | (-1)-2551 |
| BUF_SIZE | 0 | cpu_buffer->reader_page | (-1)-s32max |
| BUF_SIZE | 0 | cpu_buffer->subbuf_ids | (-1),8 |
| BUF_SIZE | 1 | bpage | 0-65598 |
| BUF_SIZE | 1 | bpage | 0-65598 |
| DATA_SOURCE | 0 | cpu_buffer | $0 |
| DATA_SOURCE | 1 | bpage | r _kmalloc_node_noprof |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &buffer->mutex | ||
| HALF_LOCKED2 | _T->lock |
kernel/trace/ring_buffer.c rb_allocate_cpu_buffer() -> rb_meta_buffer_update()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->ring_meta | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->ring_meta->head_buffer | 1-u64max |
| PARAM_VALUE | 1 | bpage | 4096-ptr_max |
| PARAM_VALUE | 1 | bpage->page | 1-u64max |
| BUF_SIZE | 0 | cpu_buffer | 0-66542 |
| BUF_SIZE | 0 | cpu_buffer | 0-66542 |
| BUF_SIZE | 0 | cpu_buffer->buffer | (-1)-2551 |
| BUF_SIZE | 0 | cpu_buffer->reader_page | 0-65598 |
| BUF_SIZE | 1 | bpage | 0-65598 |
| BUF_SIZE | 1 | bpage | 0-65598 |
| DATA_SOURCE | 0 | cpu_buffer | r _kmalloc_node_noprof |
| DATA_SOURCE | 1 | bpage | r _kmalloc_node_noprof |
| BIT_INFO | 0 | cpu_buffer->lock | 0x0,0x7fffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |