Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
mm/memcontrol.c slab_obj_ext() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| DATA_SOURCE | 0 | cache | $0 |
| DATA_SOURCE | 2 | obj | $3 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | cache->object_size | |
| NO_OVERFLOW_SIMPLE | 0 | cache->sheaf_capacity | |
| HALF_LOCKED2 | rcu_read |
mm/kfence/kfence_test.c obj_to_index() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| BUF_SIZE | 2 | obj | (-1)-s32max |
| BUF_SIZE | 2 | obj | (-1)-s32max |
| CAPPED_DATA | 2 | obj | 1 |
| DATA_SOURCE | 0 | cache | $0 |
| DATA_SOURCE | 2 | obj | $2 |
mm/slub.c __fill_map() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cache | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| PARAM_VALUE | 2 | obj | 1-u64max |
| BUF_SIZE | 0 | cache | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | cache | s32min-(-1),1-s32max |
| BUF_SIZE | 2 | obj | (-1),1-s32max |
| BUF_SIZE | 2 | obj | (-1),1-s32max |
| DATA_SOURCE | 0 | cache | $1 |
| DATA_SOURCE | 1 | addr | r slab_address |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | cache | unit_array_size |
| UNITS | 2 | obj | unit_byte |
| LOCK2 | &n->list_lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | global &object_map_lock | ||
| HALF_LOCKED2 | global &slab_mutex | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct kmem_cache_node)->list_lock |
mm/slub.c kvmalloc_obj_start_addr() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| CAPPED_DATA | 2 | obj | 1 |
| DATA_SOURCE | 2 | obj | $0 |
| UNITS | 2 | obj | unit_byte |
mm/slub.c list_slab_objects() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cache | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| PARAM_VALUE | 2 | obj | 0-18446744073709551614 |
| CAPPED_DATA | 2 | obj | 1 |
| DATA_SOURCE | 0 | cache | $0 |
| DATA_SOURCE | 1 | addr | r slab_address |
| PARAM_COMPARE | 1 | addr | == $2 |
| PARAM_COMPARE | 1 | addr | == $2 |
| PARAM_COMPARE | 2 | obj | == $1 |
| PREEMPT_ADD | <- disables preempt | ||
| LOCK2 | &n->list_lock | ||
| LOCK2 | global &object_map_lock | ||
| LOCK2 | global &slab_mutex | ||
| LOCK2 | irq | ||
| TYPE_LOCK | (struct kmem_cache_node)->list_lock |
mm/slub.c obj_to_index() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cache | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| PARAM_VALUE | 2 | obj | 4096-u64max |
| BUF_SIZE | 2 | obj | (-1)-s32max |
| BUF_SIZE | 2 | obj | (-1)-s32max |
| DATA_SOURCE | 0 | cache | $0 |
| DATA_SOURCE | 2 | obj | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | rcu |
mm/slub.c process_slab() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cache | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| PARAM_VALUE | 2 | obj | 0-18446744073709551614 |
| BUF_SIZE | 0 | cache | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | cache | s32min-(-2),1-s32max |
| CAPPED_DATA | 2 | obj | 1 |
| DATA_SOURCE | 0 | cache | $1 |
| DATA_SOURCE | 1 | addr | r slab_address |
| PARAM_COMPARE | 1 | addr | == $2 |
| PARAM_COMPARE | 1 | addr | == $2 |
| PARAM_COMPARE | 2 | obj | == $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | cache | unit_array_size |
| LOCK2 | &n->list_lock | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct kmem_cache_node)->list_lock |
mm/slub.c slab_obj_ext() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cache | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| PARAM_VALUE | 2 | obj | 4096-ptr_max |
| BUF_SIZE | 2 | obj->__sk_common.skc_prot | (-1),448 |
| CAPPED_DATA | 2 | obj | 1 |
| CAPPED_DATA | 2 | obj->sk_memcg | 1 |
| DATA_SOURCE | 0 | cache | $0 |
| DATA_SOURCE | 2 | obj | $3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | obj | unit_byte |
| HALF_LOCKED2 | sk |
mm/slub.c validate_slab() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cache | 4096-ptr_max |
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| PARAM_VALUE | 2 | obj | 0-18446744073709551614 |
| CAPPED_DATA | 2 | obj | 1 |
| DATA_SOURCE | 0 | cache | $0 |
| DATA_SOURCE | 1 | addr | r slab_address |
| PARAM_COMPARE | 1 | addr | == $2 |
| PARAM_COMPARE | 1 | addr | == $2 |
| PARAM_COMPARE | 2 | obj | == $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &n->list_lock | ||
| LOCK2 | flags | ||
| HALF_LOCKED2 | &of->mutex | ||
| TYPE_LOCK | (struct kmem_cache_node)->list_lock |
mm/slab_common.c kvmalloc_obj_start_addr() -> __obj_to_index()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | addr | 18379471554275704832,18446612682070032384 |
| PARAM_VALUE | 2 | obj | 1-u64max |
| CAPPED_DATA | 2 | obj | 1 |
| DATA_SOURCE | 2 | obj | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING |