mm_match_cgroup

Name:mm_match_cgroup

Proto:static inline bool mm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *memcg)

Type:bool

Parameter:

Type	Parameter	Name
struct mm_struct *	mm
struct mem_cgroup *	memcg

501

bool match = false

503

_read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other

504

task_memcg = mem_cgroup_from_task( fetch RCU-protected pointer for dereferencing(* "owner" points to a task that is regarded as the canonical * user/owner of this mm. All of the following must be true in * order for it to be changed: * current == mm->owner * current->mm != mm * new_owner->mm == mm * new_owner->alloc_lock is held))

505

If task_memcg Then match = mem_cgroup_is_descendant(task_memcg, memcg)

507

_read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()

508

Return match

**Caller**
Name	Describe
invalid_page_referenced_vma

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion