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| author | Ingo Molnar <mingo@kernel.org> | 2015-03-04 20:00:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-03-04 20:00:05 +0100 |
| commit | 0bbdb4258bd116d8cd5d209e8d5b29bae516e5b3 (patch) | |
| tree | c607302701f7a7942f2e76391fdb406ec86628d5 /include/linux/list_nulls.h | |
| parent | bd624d75db21ea5402f9ecf4450b311794d80352 (diff) | |
| parent | 13a7a6ac0a11197edcd0f756a035f472b42cdf8b (diff) | |
Merge tag 'v4.0-rc2' into timers/core, to refresh the tree before pulling more changes
Diffstat (limited to 'include/linux/list_nulls.h')
| -rw-r--r-- | include/linux/list_nulls.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h index 5d10ae364b5e..f266661d2666 100644 --- a/include/linux/list_nulls.h +++ b/include/linux/list_nulls.h @@ -1,6 +1,9 @@ #ifndef _LINUX_LIST_NULLS_H #define _LINUX_LIST_NULLS_H +#include <linux/poison.h> +#include <linux/const.h> + /* * Special version of lists, where end of list is not a NULL pointer, * but a 'nulls' marker, which can have many different values. @@ -21,8 +24,9 @@ struct hlist_nulls_head { struct hlist_nulls_node { struct hlist_nulls_node *next, **pprev; }; +#define NULLS_MARKER(value) (1UL | (((long)value) << 1)) #define INIT_HLIST_NULLS_HEAD(ptr, nulls) \ - ((ptr)->first = (struct hlist_nulls_node *) (1UL | (((long)nulls) << 1))) + ((ptr)->first = (struct hlist_nulls_node *) NULLS_MARKER(nulls)) #define hlist_nulls_entry(ptr, type, member) container_of(ptr,type,member) /** |