linux-kernel - Re: [PATCH] net: Disambiguate kernel message

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Message-ID: <4F285310.5060104@fb.com>
Date:	Tue, 31 Jan 2012 12:46:08 -0800
From:	Arun Sharma <asharma@...com>
To:	Joe Perches <joe@...ches.com>
CC:	Bjorn Helgaas <bhelgaas@...gle.com>,
	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Glauber Costa <glommer@...allels.com>,
	Ingo Molnar <mingo@...e.hu>, <christoph.paasch@...ouvain.be>
Subject: Re: [PATCH] net: Disambiguate kernel message

On 1/31/12 12:09 PM, Joe Perches wrote:

>> +	too_many_orphans = tcp_too_many_orphans(sk, shift);
>> +	out_of_socket_memory = tcp_out_of_memory(sk);
>> +	tcp_log_oom(too_many_orphans, out_of_socket_memory);
>> +	if (too_many_orphans || out_of_socket_memory) {
>
> Perhaps these repeated three lines should be a routine like:
>
> bool tcp_check_oom(struct sock *sk, int shift)
> {
> 	bool tcp_orphans = tcp_too_many_orphans(sk, shift);
> 	bool tcp_oom = tcp_out_of_memory(sk);
>
> 	printks...
>
> 	return tcp_orphans || tcp_oom;
> }

I like your previous suggestion better. It preserves the ability to write:

if (too_many_orphans) {
   do_something();
}

if (out_of_socket_memory) {
   do_something_else();
}

  -Arun


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