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authorJohannes Berg <johannes.berg@intel.com>2015-04-01 17:31:38 +0200
committerHauke Mehrtens <hauke@hauke-m.de>2015-04-03 19:10:30 +0200
commit64ba8e566ba250f8a56693bed1d54ef904691e90 (patch)
tree6efaefc7138903812227236ce757e37f4f21ef88
parent68594f72274b37f66d1c08cb57504682476f133a (diff)
backport: backport NULLS_MARKER
This was added to list_nulls.h fairly recently in commit f89bd6f87a53. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
-rw-r--r--backport/backport-include/linux/list_nulls.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/backport/backport-include/linux/list_nulls.h b/backport/backport-include/linux/list_nulls.h
new file mode 100644
index 00000000..ba28834f
--- /dev/null
+++ b/backport/backport-include/linux/list_nulls.h
@@ -0,0 +1,9 @@
+#ifndef __BACKPORT_LIST_NULLS
+#define __BACKPORT_LIST_NULLS
+#include_next <linux/list_nulls.h>
+
+#ifndef NULLS_MARKER
+#define NULLS_MARKER(value) (1UL | (((long)value) << 1))
+#endif
+
+#endif /* __BACKPORT_LIST_NULLS */