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/freebsd-10.0-release/sys/netinet/ | ||
H A D | if_ether.h | diff 175025 Mon Dec 31 21:48:06 MST 2007 julian Don't duplicate the whole of arpresolve to arpresolve 2 for the sake of two compares against 0. The negative effect of cache flushing is probably more than the gain by not doing the two compares (the value is almost certainly in register or at worst, cache). Note that the uses of m_freem() are in error cases and m_freem() handles NULL anyhow. So fast-path really isn't changed much at all. |
H A D | if_ether.c | diff 175025 Mon Dec 31 21:48:06 MST 2007 julian Don't duplicate the whole of arpresolve to arpresolve 2 for the sake of two compares against 0. The negative effect of cache flushing is probably more than the gain by not doing the two compares (the value is almost certainly in register or at worst, cache). Note that the uses of m_freem() are in error cases and m_freem() handles NULL anyhow. So fast-path really isn't changed much at all. |
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