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| author |   George Spelvin <linux@horizon.com> | 2014-06-23 15:11:56 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-06-25 16:04:00 -0700 |
| commit | d8f1c4778e957273c3b5b6e045d8d3af38484ca8 (patch) | |
| tree | 734ab1bfada593301e315a18b01ad39e68a9730e | |
| parent | lib: crc32: Mark test data __initconst (diff) | |
| download | linux-dev-d8f1c4778e957273c3b5b6e045d8d3af38484ca8.tar.xz linux-dev-d8f1c4778e957273c3b5b6e045d8d3af38484ca8.zip | |
lib: crc32: Add some additional __pure annotations
In case they help the compiler.
Signed-off-by: George Spelvin <linux@horizon.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/crc32.h | 6 | ||||
| -rw-r--r-- | lib/crc32.c | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/crc32.h b/include/linux/crc32.h index edf34e876e40..9e8a032c1788 100644 --- a/include/linux/crc32.h +++ b/include/linux/crc32.h @@ -8,8 +8,8 @@ #include <linux/types.h> #include <linux/bitrev.h> -extern u32 crc32_le(u32 crc, unsigned char const *p, size_t len); -extern u32 crc32_be(u32 crc, unsigned char const *p, size_t len); +u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len); +u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len); /** * crc32_le_combine - Combine two crc32 check values into one. For two @@ -36,7 +36,7 @@ static inline u32 crc32_le_combine(u32 crc1, u32 crc2, size_t len2) return crc32_le_shift(crc1, len2) ^ crc2; } -extern u32 __crc32c_le(u32 crc, unsigned char const *p, size_t len); +u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len); /** * __crc32c_le_combine - Combine two crc32c check values into one. For two diff --git a/lib/crc32.c b/lib/crc32.c index af938ab12468..9a907d489d95 100644 --- a/lib/crc32.c +++ b/lib/crc32.c @@ -53,7 +53,7 @@ MODULE_LICENSE("GPL"); #if CRC_LE_BITS > 8 || CRC_BE_BITS > 8 /* implements slicing-by-4 or slicing-by-8 algorithm */ -static inline u32 +static inline u32 __pure crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256]) { # ifdef __LITTLE_ENDIAN |