linux-kernel - Re: Value of __*{init,exit} anotations?

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Message-ID: <20080131074436.GA31966@uranus.ravnborg.org>
Date:	Thu, 31 Jan 2008 08:44:36 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	James Bottomley <James.Bottomley@...senPartnership.com>,
	davem@...emloft.net, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	"Maciej W. Rozycki" <macro@...ux-mips.org>
Subject: Re: Value of __*{init,exit} anotations?

> > 
> > I don't deny we can invest large amounts of work to fix our current
> > issues and build large scriptable checks to ensure we keep it fixed ...
> > I'm just asking if, at the end of the day, it's really worth it.
> 
> Some people consider it worth it for their memory restricted systems
> and would like to drive the annotations even further. [1]
> 
> My experience while fixing section bugs during the last years is that 
> the __dev{init,exit}* are actually the main question since they are both 
> the majority of annotations and the ones that bring benefits only 
> in a case that has become very exotic (CONFIG_HOTPLUG=n).

Some numbers...
I my current tree with an allyesconfig build for x86 64bit I see:
136 Section mismatch warnings in total
99 Section mismatch warnings from drivers/

This is with a few patches of mine applied but none of the recently
posted fixes by Adrian.

I am concentrating on:
drivers/pci/
kernel/
mm/

Will post my patches during the weekend if things goes well.
There are some low hanging fruits in drivers/ but I stay away
from these from now expecting others to fix these.

	Sam
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