linux-kernel - Re: [PATCH] kernel/params.c: fix the module name length in param_sysfs

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Date:	Wed, 23 Jan 2008 09:53:16 +0800
From:	"rae l" <crquan@...il.com>
To:	"Jan Engelhardt" <jengelh@...putergmbh.de>
Cc:	"Rusty Russell" <rusty@...tcorp.com.au>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	"Dave Young" <hidave.darkstar@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kernel/params.c: fix the module name length in param_sysfs_builtin

On Jan 23, 2008 7:13 AM, Jan Engelhardt <jengelh@...putergmbh.de> wrote:
> But nf..dada_compat.c gets linked into nf_conntrack_ipv4.ko,
> and that is what is used in /sys/module - and it fits the 20.
> Any place where nf_conntrack_l3proto_ipv4_compat would still be used?
there is a module named nf_conntrack_proto_icmp.ko, length 23. and you
can find all them by:

$ make allmodconfig && make modules

$ find -name '*.ko' -printf '%f\n' |gawk '{print length($0), $0}' |sort -n
...
24 dvb-usb-af9005-remote.ko
24 dvb-usb-dibusb-common.ko
25 nf_conntrack_proto_gre.ko
26 nf_conntrack_netbios_ns.ko
26 nf_conntrack_proto_sctp.ko
29 nf_conntrack_proto_udplite.ko

so currently tha max length of module name is 26 (in
nf_conntrack_proto_udplite), but still no any length limit to module
names in Documentation/, so we have to prepare reserved space for
modules later, or mark MODULE_NAME_LEN as the modules' name length
limit in Documentation/?

Simply speaking, MODULE_NAME_LEN does the better job.
>

-- 
Denis Cheng
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