linux-kernel - Re: [PATCH] net/sctp/ulpevent.c: Deinline sctp_ulpevent_set

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Message-ID: <1498072750.3337.4.camel@perches.com>
Date:   Wed, 21 Jun 2017 12:19:10 -0700
From:   Joe Perches <joe@...ches.com>
To:     Denys Vlasenko <dvlasenk@...hat.com>, linux-kernel@...r.kernel.org
Cc:     Vlad Yasevich <vyasevich@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        David Miller <davem@...emloft.net>, linux-sctp@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH] net/sctp/ulpevent.c: Deinline sctp_ulpevent_set_owner,
 save 1616 bytes

On Wed, 2017-06-21 at 18:28 +0200, Denys Vlasenko wrote:
> This function compiles to 147 bytes of machine code. 13 callsites.
> 
> I'm no expert on SCTP events, but quick reading of SCTP docs tells me that
> SCTP events are not happening on every packet.
> They are ASSOC_CHANGE, PEER_ADDR_CHANGE, REMOTE_ERROR and such.
> Does not look performance critical.

Thanks.

But:

> diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
[]
> @@ -88,7 +88,7 @@ int sctp_ulpevent_is_notification(const struct sctp_ulpevent *event)
>  /* Hold the association in case the msg_name needs read out of
>   * the association.
>   */
> -static inline void sctp_ulpevent_set_owner(struct sctp_ulpevent *event,
> +static void sctp_ulpevent_set_owner(struct sctp_ulpevent *event,
>  					   const struct sctp_association *asoc)
>  {
>  	struct sctp_chunk *chunk = event->chunk;

This now misaligns the next line after the inline removal.

Can you please run your patches through checkpatch?

$ ./scripts/checkpatch.pl -
CHECK: Alignment should match open parenthesis
#86: FILE: net/sctp/ulpevent.c:92:
+static void sctp_ulpevent_set_owner(struct sctp_ulpevent *event,
 					   const struct sctp_association *asoc)