linux-kernel - [PATCH 46/50] preempt.h: Kill dependency on list.h

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Message-ID: <20231216033552.3553579-3-kent.overstreet@linux.dev>
Date: Fri, 15 Dec 2023 22:35:47 -0500
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org
Cc: Kent Overstreet <kent.overstreet@...ux.dev>,
	tglx@...utronix.de,
	x86@...nel.org,
	tj@...nel.org,
	peterz@...radead.org,
	mathieu.desnoyers@...icios.com,
	paulmck@...nel.org,
	keescook@...omium.org,
	dave.hansen@...ux.intel.com,
	mingo@...hat.com,
	will@...nel.org,
	longman@...hat.com,
	boqun.feng@...il.com,
	brauner@...nel.org
Subject: [PATCH 46/50] preempt.h: Kill dependency on list.h

We really only need types.h, list.h is big.

Signed-off-by: Kent Overstreet <kent.overstreet@...ux.dev>
---
 include/linux/preempt.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 9aa6358a1a16..7233e9cf1bab 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -9,7 +9,7 @@
 
 #include <linux/linkage.h>
 #include <linux/cleanup.h>
-#include <linux/list.h>
+#include <linux/types.h>
 
 /*
  * We put the hardirq and softirq counter into the preemption
@@ -360,7 +360,9 @@ void preempt_notifier_unregister(struct preempt_notifier *notifier);
 static inline void preempt_notifier_init(struct preempt_notifier *notifier,
 				     struct preempt_ops *ops)
 {
-	INIT_HLIST_NODE(&notifier->link);
+	/* INIT_HLIST_NODE() open coded, to avoid dependency on list.h */
+	notifier->link.next = NULL;
+	notifier->link.pprev = NULL;
 	notifier->ops = ops;
 }
 
-- 
2.43.0