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