linux-kernel - [PATCH 1/2] selftests/mlock2: Add missing #define _GNU

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Message-Id: <1447064069-21469-2-git-send-email-geert@linux-m68k.org>
Date:	Mon,  9 Nov 2015 11:14:28 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Eric B Munson <emunson@...mai.com>,
	Thierry Reding <treding@...dia.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Shuah Khan <shuahkh@....samsung.com>
Cc:	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH 1/2] selftests/mlock2: Add missing #define _GNU_SOURCE

On glibc 2.3.6:

    mlock2-tests.c: In function 'seek_to_smaps_entry':
    mlock2-tests.c:158: warning: implicit declaration of function 'getline'

According to the manpage of getline(), it needs _GNU_SOURCE before glibc
2.10.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
 tools/testing/selftests/vm/mlock2-tests.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/vm/mlock2-tests.c b/tools/testing/selftests/vm/mlock2-tests.c
index 4431994aade2ef6f..cb247219f1f72889 100644
--- a/tools/testing/selftests/vm/mlock2-tests.c
+++ b/tools/testing/selftests/vm/mlock2-tests.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <sys/mman.h>
 #include <stdint.h>
 #include <stdio.h>
-- 
1.9.1

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