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authorEric Dumazet <dada1@cosmosbay.com>2008-01-03 20:41:28 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:00:35 -0800
commit571e7682026fd0e25833d103a3eeb74be29bf199 (patch)
tree3707c7fb4ea4384a163cddc9fac76e9d8860a109 /include/net
parent789675e216617b1331875c42a81f58227a06df91 (diff)
[LIB] pcounter : unline too big functions
Before pushing pcounter to Linus tree, I would like to make some adjustments. Goal is to reduce kernel text size, by unlining too big functions. When a pcounter is bound to a statically defined per_cpu variable, we define two small helpers functions. (No more folding function using the fat for_each_possible_cpu(cpu) ... ) static DEFINE_PER_CPU(int, NAME##_pcounter_values); static void NAME##_pcounter_add(struct pcounter *self, int val) { __get_cpu_var(NAME##_pcounter_values) += val; } static int NAME##_pcounter_getval(const struct pcounter *self, int cpu) { return per_cpu(NAME##_pcounter_values, cpu); } Fast path is therefore unchanged, while folding/alloc/free is now unlined. This saves 228 bytes on i386 Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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