diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/kernel.h | 13 | ||||
| -rw-r--r-- | include/linux/types.h | 4 |
2 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 564819a1c0a..b88c2100659 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -69,6 +69,8 @@ #define DIV_ROUND_UP_ULL(ll, d) DIV_ROUND_DOWN_ULL((ll) + (d) - 1, (d)) +#define ROUND(a, b) (((a) + (b) - 1) & ~((b) - 1)) + #if BITS_PER_LONG == 32 # define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP_ULL(ll, d) #else @@ -268,4 +270,15 @@ const typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr - offsetof(type,member) );}) +/* + * check_member() - Check the offset of a structure member + * + * @structure: Name of structure (e.g. global_data) + * @member: Name of member (e.g. baudrate) + * @offset: Expected offset in bytes + */ +#define check_member(structure, member, offset) _Static_assert( \ + offsetof(struct structure, member) == (offset), \ + "`struct " #structure "` offset for `" #member "` is not " #offset) + #endif diff --git a/include/linux/types.h b/include/linux/types.h index bd912bcb42f..baa2c491ea5 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -163,4 +163,8 @@ struct ustat { #define DECLARE_BITMAP(name, bits) \ unsigned long name[BITS_TO_LONGS(bits)] +typedef volatile unsigned long vu_long; +typedef volatile unsigned short vu_short; +typedef volatile unsigned char vu_char; + #endif /* _LINUX_TYPES_H */ |