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batman-adv: Allow to disable debugfs support

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The files provided by batman-adv via debugfs are currently converted to
netlink. Tools which are not yet converted to use the netlink interface may
still rely on the old debugfs files. But systems which already upgraded
their tools can save some space by disabling this feature. The default
configuration of batman-adv on amd64 can reduce the size of the module by
around 11% when this feature is disabled.

    $ size net/batman-adv/batman-adv.ko*
       text    data     bss     dec     hex filename
     150507   10395    4160  165062   284c6 net/batman-adv/batman-adv.ko.y
     137106    7099    2112  146317   23b8d net/batman-adv/batman-adv.ko.n

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Sven Eckelmann
2016-07-16 09:31:20 +02:00
committed by Simon Wunderlich
parent 06d640c9aa
commit dc1cbd145e
16 changed files with 87 additions and 6 deletions
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2
net/batman-adv/main.c
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@@ -282,6 +282,7 @@ bool batadv_is_my_mac(struct batadv_priv *bat_priv, const u8 *addr)
return is_my_mac;
}
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
/**
* batadv_seq_print_text_primary_if_get - called from debugfs table printing
* function that requires the primary interface
@@ -317,6 +318,7 @@ batadv_seq_print_text_primary_if_get(struct seq_file *seq)
out:
return primary_if;
}
#endif
/**
* batadv_max_header_len - calculate maximum encapsulation overhead for a