diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 15:12:16 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-01-29 19:12:09 +0530 |
| commit | b725d448624583f7be5b43ac81a1e324745f2c3b (patch) | |
| tree | 2b9b27d2fb421e4e0d4fbf442d8194932b753adb /lib | |
| parent | 3b447970241112bbe8a3bf20442d7347800b4372 (diff) | |
asm-generic headers: Allow yet more arch overrides in checksum.h
arches can have more efficient implementation of these routines
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/checksum.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/checksum.c b/lib/checksum.c index 12dceb27ff20..129775eb6de6 100644 --- a/lib/checksum.c +++ b/lib/checksum.c @@ -102,6 +102,7 @@ out: } #endif +#ifndef ip_fast_csum /* * This is a version of ip_compute_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. @@ -111,6 +112,7 @@ __sum16 ip_fast_csum(const void *iph, unsigned int ihl) return (__force __sum16)~do_csum(iph, ihl*4); } EXPORT_SYMBOL(ip_fast_csum); +#endif /* * computes the checksum of a memory block at buff, length len, |