missing: drop old OOM related definitions

These are exposed earlier than linux-3.11. Let's just include linux/oom.h.

src/basic/missing.h

@@ -8,7 +8,6 @@
 #include <inttypes.h>
 #include <linux/audit.h>
 #include <linux/falloc.h>
-#include <linux/oom.h>
 #include <stdlib.h>
 #include <sys/resource.h>
 #include <sys/socket.h>
@@ -87,14 +86,6 @@ struct sockaddr_vm {
 #define IP_FREEBIND 15
 #endif
 
-#ifndef OOM_SCORE_ADJ_MIN
-#define OOM_SCORE_ADJ_MIN (-1000)
-#endif
-
-#ifndef OOM_SCORE_ADJ_MAX
-#define OOM_SCORE_ADJ_MAX 1000
-#endif
-
 #ifndef AUDIT_SERVICE_START
 #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
 #endif

src/basic/parse-util.c

@@ -2,6 +2,7 @@
 
 #include <errno.h>
 #include <inttypes.h>
+#include <linux/oom.h>
 #include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>