linux-kernel - [PATCH 4/5] ipc: export init_ipc_ns and put_ipc

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Message-ID: <20260205-binder-tristate-v1-4-dfc947c35d35@google.com>
Date: Thu, 05 Feb 2026 10:51:29 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Carlos Llamas <cmllamas@...gle.com>
Cc: Alexander Viro <viro@...iv.linux.org.uk>, Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, 
	Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>, 
	"Serge E. Hallyn" <serge@...lyn.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	Dave Chinner <david@...morbit.com>, Qi Zheng <zhengqi.arch@...edance.com>, 
	Roman Gushchin <roman.gushchin@...ux.dev>, Muchun Song <muchun.song@...ux.dev>, 
	David Hildenbrand <david@...nel.org>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
	"Liam R. Howlett" <Liam.Howlett@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, 
	Mike Rapoport <rppt@...nel.org>, Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>, 
	Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	"Björn Roy Baron" <bjorn3_gh@...tonmail.com>, Benno Lossin <lossin@...nel.org>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Trevor Gross <tmgross@...ch.edu>, 
	Danilo Krummrich <dakr@...nel.org>, kernel-team@...roid.com, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org, 
	linux-mm@...ck.org, rust-for-linux@...r.kernel.org, 
	Alice Ryhl <aliceryhl@...gle.com>
Subject: [PATCH 4/5] ipc: export init_ipc_ns and put_ipc_ns

These symbols are used by binderfs as part of the info stored with the
file system.

Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
 ipc/msgutil.c   | 1 +
 ipc/namespace.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/ipc/msgutil.c b/ipc/msgutil.c
index e28f0cecb2ec942a4f6ee93df8384716bd026011..024faedd07c333b23f1e8733833b84ecf5aed9a7 100644
--- a/ipc/msgutil.c
+++ b/ipc/msgutil.c
@@ -30,6 +30,7 @@ struct ipc_namespace init_ipc_ns = {
 	.ns = NS_COMMON_INIT(init_ipc_ns),
 	.user_ns = &init_user_ns,
 };
+EXPORT_SYMBOL(init_ipc_ns);
 
 struct msg_msgseg {
 	struct msg_msgseg *next;
diff --git a/ipc/namespace.c b/ipc/namespace.c
index 535f16ea40e187a9152a03a7345e00b6c5611dbe..c6355020641a74c3be7737b9da15022b961d8f2a 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -210,6 +210,7 @@ void put_ipc_ns(struct ipc_namespace *ns)
 			schedule_work(&free_ipc_work);
 	}
 }
+EXPORT_SYMBOL(put_ipc_ns);
 
 static struct ns_common *ipcns_get(struct task_struct *task)
 {

-- 
2.53.0.rc2.204.g2597b5adb4-goog