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mm/memcg: Remove soft_limit_tree_node()

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Opencode this one-line function in its three callers.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Matthew Wilcox (Oracle) 2021-06-25 08:57:02 -04:00
parent 658b69c9d8
commit 2ab082ba76
1 changed files with 3 additions and 9 deletions
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12
mm/memcontrol.c
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@ -456,12 +456,6 @@ ino_t page_cgroup_ino(struct page *page)
return ino;
}
static struct mem_cgroup_tree_per_node *
soft_limit_tree_node(int nid)
{
return soft_limit_tree.rb_tree_per_node[nid];
}
static void __mem_cgroup_insert_exceeded(struct mem_cgroup_per_node *mz,
struct mem_cgroup_tree_per_node *mctz,
unsigned long new_usage_in_excess)
@ -538,7 +532,7 @@ static void mem_cgroup_update_tree(struct mem_cgroup *memcg, int nid)
struct mem_cgroup_per_node *mz;
struct mem_cgroup_tree_per_node *mctz;
mctz = soft_limit_tree_node(nid);
mctz = soft_limit_tree.rb_tree_per_node[nid];
if (!mctz)
return;
/*
@ -577,7 +571,7 @@ static void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg)
for_each_node(nid) {
mz = memcg->nodeinfo[nid];
mctz = soft_limit_tree_node(nid);
mctz = soft_limit_tree.rb_tree_per_node[nid];
if (mctz)
mem_cgroup_remove_exceeded(mz, mctz);
}
@ -3364,7 +3358,7 @@ unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
if (order > 0)
return 0;
mctz = soft_limit_tree_node(pgdat->node_id);
mctz = soft_limit_tree.rb_tree_per_node[pgdat->node_id];
/*
* Do not even bother to check the largest node if the root