Function report |
Source Code:mm\memcontrol.c |
Create Date:2022-07-28 16:13:28 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:mem_cgroup_can_attach
Proto:static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct cgroup_taskset * | tset |
5605 | struct mem_cgroup * memcg = NULL |
5610 | ret = 0 |
5613 | If cgroup_subsys_on_dfl - fast test on whether a subsys is on default hierarchy*@ss: subsystem in question(memory_cgrp_subsys) Then Return 0 |
5622 | p = NULL |
5628 | If Not p Then Return 0 |
5636 | move_flags = READ_ONCE(* Should we move charges of a task when a task is moved into this * mem_cgroup ? And what type of charges should we move ?) |
5637 | If Not move_flags Then Return 0 |
5640 | from = mem_cgroup_from_task(p) |
5645 | If Not mm Then Return 0 |
5652 | VM_BUG_ON(moved_charge) |
5653 | VM_BUG_ON(moved_swap) |
5655 | spin_lock( & r from, to ) |
5659 | flags = move_flags |
5660 | spin_unlock( & r from, to ) |
5663 | ret = mem_cgroup_precharge_mc(mm) |
5664 | If ret Then mem_cgroup_clear_mc() |
5666 | Else |
5669 | Return ret |
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