linux-kernel - [PATCH] kernel/power: Declare variables as static

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Date:   Thu, 11 May 2017 10:31:24 +0530
From:   Pushkar Jambhlekar <pushkar.iit@...il.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Pushkar Jambhlekar <pushkar.iit@...il.com>
Subject: [PATCH] kernel/power: Declare variables as static

Fixing sparse warnings: 'symbol not declared. Should it be static?' Variables need to be
static since they have not used outside of the files.

Signed-off-by: Pushkar Jambhlekar <pushkar.iit@...il.com>
---
 kernel/power/snapshot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 3b1e0f3..fa46606 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1425,7 +1425,7 @@ static unsigned int nr_meta_pages;
  * Numbers of normal and highmem page frames allocated for hibernation image
  * before suspending devices.
  */
-unsigned int alloc_normal, alloc_highmem;
+static unsigned int alloc_normal, alloc_highmem;
 /*
  * Memory bitmap used for marking saveable pages (during hibernation) or
  * hibernation image pages (during restore)
-- 
2.7.4