diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bootmem.h | 2 | ||||
| -rw-r--r-- | include/linux/crc-ccitt.h | 7 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 962164d36506..dbaf312b3317 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -358,6 +358,8 @@ extern void *alloc_large_system_hash(const char *tablename, #define HASH_EARLY 0x00000001 /* Allocating during early boot? */ #define HASH_SMALL 0x00000002 /* sub-page allocation allowed, min * shift passed via *_hash_shift */ +#define HASH_ZERO 0x00000004 /* Zero allocated hash table */ +#define HASH_ADAPT 0x00000008 /* Adaptive scale for large memory */ /* Only NUMA needs hash distribution. 64bit NUMA architectures have * sufficient vmalloc space. diff --git a/include/linux/crc-ccitt.h b/include/linux/crc-ccitt.h index f52696a1ff0d..7cd45a4bc224 100644 --- a/include/linux/crc-ccitt.h +++ b/include/linux/crc-ccitt.h @@ -4,12 +4,19 @@ #include <linux/types.h> extern u16 const crc_ccitt_table[256]; +extern u16 const crc_ccitt_false_table[256]; extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len); +extern u16 crc_ccitt_false(u16 crc, const u8 *buffer, size_t len); static inline u16 crc_ccitt_byte(u16 crc, const u8 c) { return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff]; } +static inline u16 crc_ccitt_false_byte(u16 crc, const u8 c) +{ + return (crc << 8) ^ crc_ccitt_false_table[(crc >> 8) ^ c]; +} + #endif /* _LINUX_CRC_CCITT_H */ |