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Documented in 1 files:

Defined in 1 files as a function:

Referenced in 13 files:

Smatch caller information:

mm/huge_memory.c deferred_split_isolate() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING

mm/huge_memory.c split_huge_pages_all() -> folio_try_get()

Type Parameter Key Value
DATA_SOURCE 0 folio r _compound_head
LOCK2 &split_debug_mutex

mm/memory_hotplug.c do_migrate_range() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio->mapping->host->i_sb->s_export_op->fh_to_dentry 0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 0 folio->mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 folio->mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 *folio->_mm_id 0-4294967295
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
LOCK2 &dev->mutex
LOCK2 global &pcp_batch_high_lock
HALF_LOCKED2 &device->physical_node_lock
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 global &device_hotplug_lock
TYPE_LOCK (struct device)->mutex

mm/hugetlb.c folio_isolate_hugetlb() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 folio->mapping->i_mmap_rwsem.first_waiter->type 0-1
CAPPED_DATA 0 folio 1
DATA_SOURCE 0 folio $0
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
LOCK2 global &hugetlb_lock
LOCK2 irq
HALF_LOCKED2 &mm->mmap_lock

mm/hugetlb.c get_hwpoison_hugetlb_folio() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
DATA_SOURCE 0 folio $0
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &hugetlb_lock
LOCK2 global &mf_mutex
LOCK2 global &pcp_batch_high_lock
LOCK2 irq
HALF_LOCKED2 &attr->mutex

mm/ksm.c ksm_get_folio() -> folio_try_get()

Type Parameter Key Value
DATA_SOURCE 0 folio r pfn_folio
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &ksm_thread_mutex
HALF_LOCKED2 &of->mutex

mm/ksm.c ksm_get_folio() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->page._refcount.counter 0-s32max
DATA_SOURCE 0 folio r pfn_folio
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &ksm_thread_mutex
HALF_LOCKED2 &of->mutex

mm/filemap.c filemap_get_entry() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 1-1025,1027-1029,1031-u64max
DATA_SOURCE 0 folio r xas_load
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read

mm/filemap.c filemap_get_folios_contig() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 1-1025,1027-1029,1031-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &inode->i_rwsem

mm/filemap.c filemap_get_read_batch() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 1-1025,1027-1029,1031-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &inode->i_rwsem

mm/filemap.c find_get_entry() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 1-1025,1027-1029,1031-u64max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read

mm/filemap.c next_uptodate_folio() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 1-1025,1027-1029,1031-u64max
DATA_SOURCE 0 folio r xas_next_entry
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 vmf->ptl

mm/vmscan.c isolate_folio() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
DATA_SOURCE 0 folio $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &lruvec->lru_lock
LOCK2 irq
LOCK2 rcu_read
TYPE_LOCK (struct lruvec)->lru_lock

mm/vmscan.c isolate_lru_folios() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
DATA_SOURCE 0 folio r lru_to_folio
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &lruvec->lru_lock
LOCK2 irq
LOCK2 rcu_read
TYPE_LOCK (struct lruvec)->lru_lock

mm/truncate.c truncate_inode_partial_folio() -> folio_try_get()

Type Parameter Key Value
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &inode->i_rwsem

mm/memory.c remove_device_exclusive_entry() -> folio_try_get()

Type Parameter Key Value
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
HALF_LOCKED2 &mm->mmap_lock

mm/memory-failure.c __get_hwpoison_page() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &mf_mutex
LOCK2 global &pcp_batch_high_lock
HALF_LOCKED2 &attr->mutex

mm/memory-failure.c get_huge_page_for_hwpoison() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
LOCK2 global &hugetlb_lock
LOCK2 global &mf_mutex
LOCK2 irq
HALF_LOCKED2 &attr->mutex
HALF_LOCKED2 &of->mutex

mm/damon/ops-common.c damon_get_folio() -> folio_try_get()

Type Parameter Key Value
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &ctx->walk_control_lock

mm/khugepaged.c collapse_scan_file() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 1-1025,1027-1029,1031-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &mm->mmap_lock

mm/page_idle.c page_idle_get_folio() -> folio_try_get()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/swap_state.c swap_cache_get_folio() -> folio_try_get()

Type Parameter Key Value
DATA_SOURCE 0 folio r swp_tb_to_folio
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &ctx->map_changing_lock
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 rcu_read