Re: [PATCH net-next] net: ipv4: optimize tkey_mismatch

From: igorm@etf.rs
Date: Tue, 28 Aug 2012 10:52:18 +0200

From: Igor Maravic <redacted>

Optimize tkey_mismatch function by using __fls function.

Signed-off-by: Igor Maravic <redacted>

This will actually run slower on architectures like sparc that
don't have special instructions for __fls.

Your TOS "optimization" isn't very useful either since having
TOS routes is very rare.