linux-kernel - [PATCH 1/2] watch_queue: make locked

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Message-Id: <20190906153249.1864324-1-arnd@arndb.de>
Date:   Fri,  6 Sep 2019 17:32:35 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     David Howells <dhowells@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Jann Horn <jannh@...gle.com>,
        Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] watch_queue: make locked_vm accessible

The locked_vm member of struct user_struct is guarded by an #ifdef,
which breaks building the new watch_queue driver when all the other
subsystems that need it are disabled:

drivers/misc/watch_queue.c:315:38: error: no member named 'locked_vm' in 'struct user_struct'; did you mean 'locked_shm'?

Add watch_queue to the list.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 include/linux/sched/user.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/sched/user.h b/include/linux/sched/user.h
index 917d88edb7b9..6cd21c7bb83e 100644
--- a/include/linux/sched/user.h
+++ b/include/linux/sched/user.h
@@ -33,7 +33,7 @@ struct user_struct {
 	kuid_t uid;
 
 #if defined(CONFIG_PERF_EVENTS) || defined(CONFIG_BPF_SYSCALL) || \
-    defined(CONFIG_NET) || defined(CONFIG_IO_URING)
+    defined(CONFIG_NET) || defined(CONFIG_IO_URING) || defined(CONFIG_WATCH_QUEUE)
 	atomic_long_t locked_vm;
 #endif
 
-- 
2.20.0