linux-kernel - [PATCH 3/2] shmem: Fix W=1 build warnings with CONFIG

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Message-Id: <20230206190850.4054983-1-willy@infradead.org>
Date:   Mon,  6 Feb 2023 19:08:50 +0000
From:   "Matthew Wilcox (Oracle)" <willy@...radead.org>
To:     akpm@...ux-foundation.org, hughd@...gle.com, willy@...radead.org,
        markhemm@...glemail.com, rientjes@...gle.com, surenb@...gle.com,
        shakeelb@...gle.com, mhocko@...e.com, vbabka@...e.cz,
        quic_pkondeti@...cinc.com
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Charan Teja Kalla <quic_charante@...cinc.com>
Subject: [PATCH 3/2] shmem: Fix W=1 build warnings with CONFIG_SHMEM=n

With W=1, all these functions have no prototypes so the
compiler emits warnings.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 mm/shmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index d333deddc2b9..b01249e5c827 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -33,6 +33,7 @@
 #include <linux/random.h>
 #include <linux/sched/signal.h>
 #include <linux/export.h>
+#include <linux/shmem_fs.h>
 #include <linux/swap.h>
 #include <linux/uio.h>
 #include <linux/hugetlb.h>
@@ -58,7 +59,6 @@ static struct vfsmount *shm_mnt;
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/backing-dev.h>
-#include <linux/shmem_fs.h>
 #include <linux/writeback.h>
 #include <linux/pagevec.h>
 #include <linux/percpu_counter.h>
-- 
2.35.1