selftests/mlock2: add missing #define _GNU_SOURCE
authorGeert Uytterhoeven <geert@linux-m68k.org>
Tue, 10 Nov 2015 22:45:06 +0000 (14:45 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 11 Nov 2015 00:32:11 +0000 (16:32 -0800)
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@linux-m68k.org>
Acked-by: Eric B Munson <emunson@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
tools/testing/selftests/vm/mlock2-tests.c

index 4431994..cb24721 100644 (file)
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <sys/mman.h>
 #include <stdint.h>
 #include <stdio.h>