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net_sched: sch_fq: use bulk freeing in fq_gc()

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fq_gc() already builds a small array of pointers, so using
kmem_cache_free_bulk() needs very little change.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2020-05-02 19:54:20 -07:00 committed by David S. Miller
parent 7ba0537c2b
commit 82a0aa53b5
1 changed files with 11 additions and 7 deletions
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18
net/sched/sch_fq.c
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@ -214,9 +214,10 @@ static void fq_gc(struct fq_sched_data *q,
struct rb_root *root,
struct sock *sk)
{
struct fq_flow *f, *tofree[FQ_GC_MAX];
struct rb_node **p, *parent;
int fcnt = 0;
void *tofree[FQ_GC_MAX];
struct fq_flow *f;
int i, fcnt = 0;
p = &root->rb_node;
parent = NULL;
@ -239,15 +240,18 @@ static void fq_gc(struct fq_sched_data *q,
p = &parent->rb_left;
}
if (!fcnt)
return;
for (i = fcnt; i > 0; ) {
f = tofree[--i];
rb_erase(&f->fq_node, root);
}
q->flows -= fcnt;
q->inactive_flows -= fcnt;
q->stat_gc_flows += fcnt;
while (fcnt) {
struct fq_flow *f = tofree[--fcnt];
rb_erase(&f->fq_node, root);
kmem_cache_free(fq_flow_cachep, f);
}
kmem_cache_free_bulk(fq_flow_cachep, fcnt, tofree);
}
static struct fq_flow *fq_classify(struct sk_buff *skb, struct fq_sched_data *q)