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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 15:12:16 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-11 20:00:33 +0530 |
| commit | 64e69073c35439fa19c2ad2a4a18834e0314f071 (patch) | |
| tree | 121d6e719dcf81090ad26778c5d7c89cd43e33e9 /lib | |
| parent | 0a5eae458e923af9968679fd75fd1f7670200bc3 (diff) | |
| download | linux-64e69073c35439fa19c2ad2a4a18834e0314f071.tar.bz2 | |
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, |