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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

mm/khugepaged.c collapse_scan_mm_slot() -> collapse_single_pmd()

Type Parameter Key Value
PARAM_VALUE 0 addr 0,2097152-18446744073709551614
PARAM_VALUE 1 vma 4096-ptr_max
PARAM_VALUE 1 vma->vm_file->f_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 vma->vm_file->f_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 vma->vm_file->f_cred->rcu.func 1-u64max
PARAM_VALUE 1 vma->vm_file->f_cred->rcu.next 0
PARAM_VALUE 1 vma->vm_file->f_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 1 vma->vm_file->f_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 1 vma->vm_file->f_cred->security 0
PARAM_VALUE 1 vma->vm_file->f_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 vma->vm_file->f_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 vma->vm_file->f_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 vma->vm_file->f_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 vma->vm_file->f_cred->user->uidhash_node.next 0
PARAM_VALUE 1 vma->vm_file->f_cred->user->uidhash_node.pprev 0
PARAM_VALUE 1 vma->vm_file->f_cred->user_ns->work.entry.next 4096-ptr_max
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_op->get_offset_ctx 0,2606890545167454208
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_op->sync_lazytime 0,6951464784224747520
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_export_op->fh_to_parent 0,5297,148606482432692224,436469935444291584,467281172929331200
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 1 vma->vm_file->f_security 0
PARAM_VALUE 1 vma->vm_file->f_task_work.func 5179756662909861888
PARAM_VALUE 1 vma->vm_file->f_task_work.next 0-7661163036167163903,7661163036167163905-u64max
PARAM_VALUE 1 vma->vm_mm->context.asid_transition 1
PARAM_VALUE 1 vma->vm_mm->mmap_lock.dep_map->name 0-255
PARAM_VALUE 1 vma->vm_mm->mmap_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_mm->mmap_lock.first_waiter->list.next 2212933610777083904
PARAM_VALUE 1 vma->vm_mm->mmap_lock.first_waiter->list.prev 2212933610777083904
PARAM_VALUE 1 vma->vm_mm->mmap_lock.first_waiter->type 0-1
PARAM_VALUE 2 lock_dropped 5845495054900334592
PARAM_VALUE 2 *lock_dropped 0
PARAM_VALUE 3 cc 7014955871284559872
PARAM_VALUE 3 *cc->node_load 0-4294967295
CAPPED_DATA 0 addr 1
CAPPED_DATA 0 addr 1
DATA_SOURCE 1 vma r vma_next
DATA_SOURCE 3 cc $2
UNITS 0 addr unit_byte
LOCK2 &mm->mmap_lock
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/khugepaged.c madvise_collapse() -> collapse_single_pmd()

Type Parameter Key Value
PARAM_VALUE 0 addr 0,2097152-18446744073709551614
PARAM_VALUE 1 vma 4096-ptr_max
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_op->get_offset_ctx 0,2606890545167454208
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_op->sync_lazytime 0,6951464784224747520
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_export_op->fh_to_parent 0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->host->i_sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 1 vma->vm_mm 4096-ptr_max
PARAM_VALUE 1 vma->vm_mm->mmap_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_mm->mmap_lock.first_waiter->type 0-1
PARAM_VALUE 2 lock_dropped 6297373064009228288
PARAM_VALUE 2 *lock_dropped 0
PARAM_VALUE 3 cc 4096-ptr_max
PARAM_VALUE 3 cc->is_khugepaged 0
PARAM_VALUE 3 *cc->node_load 0-4294967295
BUF_SIZE 3 cc 4296
CAPPED_DATA 0 addr 1
CAPPED_DATA 0 addr 1
DATA_SOURCE 1 vma $0 [m]
DATA_SOURCE 3 cc r _kmalloc_noprof
NOSPEC 0 addr
NOSPEC 0 addr
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 addr 0,2097152-18446744073709551614[c]
HALF_LOCKED2 &mm->mmap_lock