Function report |
Source Code:kernel\sched\psi.c |
Create Date:2022-07-28 09:46:42 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:psi_memstall_leave - mark the end of an memory stall section*@flags: flags to handle nested memdelay sections* Marks the calling task as no longer stalled due to lack of memory.
Proto:void psi_memstall_leave(unsigned long *flags)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned long * | flags |
848 | If static_branch_likely( & psi_disabled) Then Return |
851 | If flags Then Return |
858 | rq = this_rq_lock_irq( & rf) |
860 | flags &= ~Stalled due to lack of memory |
861 | psi_task_change(current process, TSK_MEMSTALL, 0) |
863 | rq_unlock_irq(rq, & rf) |
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 |
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