psi_memstall

Name:psi_memstall_enter - mark the beginning of a memory stall section*@flags: flags to handle nested sections* Marks the calling task as being stalled due to a lack of memory,* such as waiting for a refault or performing reclaim.

Proto:void psi_memstall_enter(unsigned long *flags)

Type:void

Parameter:

Type	Parameter	Name
unsigned long *	flags

**Caller**
Name	Describe
try_to_free_mem_cgroup_pages
balance_pgdat	For kswapd, balance_pgdat() will reclaim pages across a node from zones* that are eligible for use by the caller until at least one zone is* balanced.* Returns the order kswapd finished reclaiming at.
__perform_reclaim	Perform direct synchronous page reclaim
swap_readpage
mem_cgroup_handle_over_high	Scheduled by try_charge() to be executed from the userland return path* and reclaims memory over the high limit.
blkcg_maybe_throttle_blkg	This is called when we want to actually walk up the hierarchy and check to* see if we need to throttle, and then actually throttle if there is some* accumulated delay. This should only be called upon return to user space so

Function report