函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\memcontrol.c Create Date:2022-07-27 17:46:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：memcg_numa_stat_show

函数原型：static int memcg_numa_stat_show(struct seq_file *m, void *v)

返回类型：int

参数：

类型参数名称
struct seq_file *m
void *v
3649  struct numa_stat{const char * name;unsigned int lru_mask;}
3654  static const struct numa_stat stats[] = {{"total", LRU_ALL}, {"file", LRU_ALL_FILE}, {"anon", LRU_ALL_ANON}, {"unevictable", BIT(LRU_UNEVICTABLE)}, }
3663  memcg等于mem_cgroup_from_seq(m)
3665  以stat小于stats加ARRAY_SIZE - get the number of elements in array @arr*@arr: array to be sized(stats)循环
3666  nr等于mem_cgroup_nr_lru_pages(memcg, lru_mask)
3667  seq_printf(m, "%s=%lu", name, nr)
3668  for_each_node_state(nid, N_MEMORY)
3669  nr等于mem_cgroup_node_nr_lru_pages(memcg, nid, lru_mask)
3671  seq_printf(m, " N%d=%lu", nid, nr)
3673  seq_putc(m, '\n')
3676  以stat小于stats加ARRAY_SIZE - get the number of elements in array @arr*@arr: array to be sized(stats)循环
3679  nr等于0
3680  Iteration constructs for visiting all cgroups (under a tree). If* loops are exited prematurely (break), mem_cgroup_iter_break() must* be used for reference counting.(iter, memcg)
3681  nr加等于mem_cgroup_nr_lru_pages(iter, lru_mask)
3682  seq_printf(m, "hierarchical_%s=%lu", name, nr)
3683  for_each_node_state(nid, N_MEMORY)
3684  nr等于0
3685  Iteration constructs for visiting all cgroups (under a tree). If* loops are exited prematurely (break), mem_cgroup_iter_break() must* be used for reference counting.(iter, memcg)
3686  nr加等于mem_cgroup_node_nr_lru_pages(iter, nid, lru_mask)
3688  seq_printf(m, " N%d=%lu", nid, nr)
3690  seq_putc(m, '\n')
3693  返回:0