netdev - [PATCH net-next 1/3] inet: frags: uninline fqdir

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Message-Id: <20190527235649.45274-2-edumazet@google.com>
Date:   Mon, 27 May 2019 16:56:47 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 1/3] inet: frags: uninline fqdir_init()

fqdir_init() is not fast path and is getting bigger.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 include/net/inet_frag.h  | 20 +-------------------
 net/ipv4/inet_fragment.c | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 002f23c1a1a7126e146f596300aee0e52b6cafc6..94092b1ef22e9729d99d56323a77faf1ea4c92a6 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -109,25 +109,7 @@ struct inet_frags {
 int inet_frags_init(struct inet_frags *);
 void inet_frags_fini(struct inet_frags *);
 
-static inline int fqdir_init(struct fqdir **fqdirp, struct inet_frags *f,
-			     struct net *net)
-{
-	struct fqdir *fqdir = kzalloc(sizeof(*fqdir), GFP_KERNEL);
-	int res;
-
-	if (!fqdir)
-		return -ENOMEM;
-	fqdir->f = f;
-	fqdir->net = net;
-	res = rhashtable_init(&fqdir->rhashtable, &fqdir->f->rhash_params);
-	if (res < 0) {
-		kfree(fqdir);
-		return res;
-	}
-	*fqdirp = fqdir;
-	return 0;
-}
-
+int fqdir_init(struct fqdir **fqdirp, struct inet_frags *f, struct net *net);
 void fqdir_exit(struct fqdir *fqdir);
 
 void inet_frag_kill(struct inet_frag_queue *q);
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 6ca9523374dab03737cd073a1aa990130c4a87ca..7c07aae969e6c84d4f0345b5c4852b2e37d088f6 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -154,6 +154,25 @@ static void fqdir_rwork_fn(struct work_struct *work)
 	kfree(fqdir);
 }
 
+int fqdir_init(struct fqdir **fqdirp, struct inet_frags *f, struct net *net)
+{
+	struct fqdir *fqdir = kzalloc(sizeof(*fqdir), GFP_KERNEL);
+	int res;
+
+	if (!fqdir)
+		return -ENOMEM;
+	fqdir->f = f;
+	fqdir->net = net;
+	res = rhashtable_init(&fqdir->rhashtable, &fqdir->f->rhash_params);
+	if (res < 0) {
+		kfree(fqdir);
+		return res;
+	}
+	*fqdirp = fqdir;
+	return 0;
+}
+EXPORT_SYMBOL(fqdir_init);
+
 void fqdir_exit(struct fqdir *fqdir)
 {
 	fqdir->high_thresh = 0; /* prevent creation of new frags */
-- 
2.22.0.rc1.257.g3120a18244-goog