Documented in 1 files:
Defined in 2 files as a function:
- drivers/gpu/drm/drm_gpusvm.c, line 348 (as a function)
- drivers/gpu/drm/drm_pagemap.c, line 437 (as a function)
Referenced in 2 files:
Smatch caller information:
drivers/gpu/drm/drm_gpusvm.c drm_gpusvm_check_pages() -> npages_in_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | start | $2 |
| DATA_SOURCE | 1 | end | $3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | start | unit_byte |
| UNITS | 1 | end | unit_byte |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &vm->lock | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock | ||
| TYPE_LOCK | (struct xe_vm)->lock |
drivers/gpu/drm/drm_gpusvm.c drm_gpusvm_get_pages() -> npages_in_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | start | $4 |
| DATA_SOURCE | 1 | end | $5 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
drivers/gpu/drm/drm_gpusvm.c drm_gpusvm_range_evict() -> npages_in_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &driver_migrate_lock | ||
| HALF_LOCKED2 | &vm->lock |
drivers/gpu/drm/drm_gpusvm.c drm_gpusvm_scan_mm() -> npages_in_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 1 | end | r drm_gpusvm_range_end |
| HALF_LOCKED2 | &range->lock |
drivers/gpu/drm/drm_pagemap.c __drm_pagemap_migrate_to_ram() -> npages_in_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | start | 1 |
| CAPPED_DATA | 0 | start | 1 |
| CAPPED_DATA | 1 | end | 1 |
| CAPPED_DATA | 1 | end | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | start | 0-u64max[c] |
| USER_DATA | 1 | end | 0-s32max[c] |
| UNITS | 0 | start | unit_byte |
| UNITS | 1 | end | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |
drivers/gpu/drm/drm_pagemap.c drm_pagemap_migrate_to_devmem() -> npages_in_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | start | $2 |
| DATA_SOURCE | 1 | end | $3 |
| LOCK2 | &driver_migrate_lock | ||
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &vm->lock | ||
| LOCK2 | global &drm_unplug_srcu | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock | ||
| TYPE_LOCK | (struct xe_vm)->lock |
drivers/gpu/drm/drm_pagemap.c drm_pagemap_migrate_to_devmem() -> npages_in_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | start | 0 |
| CAPPED_DATA | 1 | end | 1 |
| CAPPED_DATA | 1 | end | 1 |
| DATA_SOURCE | 0 | start | $2 [m] |
| DATA_SOURCE | 1 | end | $3 [m] |
| UNITS | 0 | start | unit_byte |
| UNITS | 1 | end | unit_byte |
| LOCK2 | &driver_migrate_lock | ||
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &vm->lock | ||
| LOCK2 | global &drm_unplug_srcu | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock | ||
| TYPE_LOCK | (struct xe_vm)->lock |
drivers/gpu/drm/drm_pagemap.c drm_pagemap_migrate_to_devmem() -> npages_in_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | start | 0 |
| CAPPED_DATA | 1 | end | 1 |
| CAPPED_DATA | 1 | end | 1 |
| DATA_SOURCE | 0 | start | $2 [m] |
| DATA_SOURCE | 1 | end | $3 [m] |
| UNITS | 0 | start | unit_byte |
| UNITS | 1 | end | unit_byte |
| LOCK2 | &driver_migrate_lock | ||
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &vm->lock | ||
| LOCK2 | global &drm_unplug_srcu | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock | ||
| TYPE_LOCK | (struct xe_vm)->lock |