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Ingo Molnar a écrit :
> (gdb) list *0xffffffff8048942e
> 0xffffffff8048942e is in skb_release_head_state (include/linux/skbuff.h:1783).
> 1778 }
> 1779 #endif
> 1780 #ifdef CONFIG_BRIDGE_NETFILTER
> 1781 static inline void nf_bridge_put(struct nf_bridge_info *nf_bridge)
> 1782 {
> 1783 if (nf_bridge && atomic_dec_and_test(&nf_bridge->use))
> 1784 kfree(nf_bridge);
> 1785 }
> 1786 static inline void nf_bridge_get(struct nf_bridge_info *nf_bridge)
> 1787 {
>
> and ouch does that global dec on &nf_bridge->use hurt!
>
> i do have:
>
> CONFIG_BRIDGE_NETFILTER=y
>
> (this is a Fedora distro kernel derived .config)
Hum, you also should hit this cache line at atomic_inc() site then...
Strange, I never caught this one.
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