From: Pavel Emelyanov <[EMAIL PROTECTED]> Date: Mon, 08 Oct 2007 17:20:01 +0400
> With the net namespaces many code leaved the __init section, > thus making the kernel occupy more memory than it did before. > Since we have a config option that prohibits the namespace > creation, the functions that initialize/finalize some netns > stuff are simply not needed and can be freed after the boot. > > Currently, this is almost not noticeable, since few calls > are no longer in __init, but when the namespaces will be > merged it will be possible to free more code. I propose to > use the __net_init, __net_exit and __net_initdata "attributes" > for functions/variables that are not used if the CONFIG_NET_NS > is not set to save more space in memory. > > The exiting functions cannot just reside in the __exit section, > as noticed by David, since the init section will have > references on it and the compilation will fail due to modpost > checks. These references can exist, since the init namespace > never dies and the exit callbacks are never called. So I > introduce the __exit_refok attribute just like it is already > done with the __init_refok. > > Signed-off-by: Pavel Emelyanov <[EMAIL PROTECTED]> Applied, thanks for fixing this up Pavel. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
