[Devel] Re: [PATCH 1/7][QUOTA] Move sysctl management code under ifdef CONFIG_SYSCTL

Andrew Morton akpm at linux-foundation.org
Tue Dec 4 01:23:01 PST 2007


On Tue, 04 Dec 2007 11:58:30 +0300 Pavel Emelyanov <xemul at openvz.org> wrote:

> >> +#ifdef CONFIG_SYSCTL
> >>  	register_sysctl_table(sys_table);
> >> +#endif
> >>  
> >>  	dquot_cachep = kmem_cache_create("dquot",
> >>  			sizeof(struct dquot), sizeof(unsigned long) * 4,
> > 
> > We should avoid the ifdefs around the register_sysctl_table() call.
> > 
> > At present the !CONFIG_SYSCTL implementation of register_sysctl_table() is
> > a non-inlined NULL-returning stub.  All we have to do is to inline that stub
> > then these ifdefs can go away.
> 
> What if some code checks for the return value to be not-NULL? In case
> CONFIG_SYSCTL=n this code will always think, that the registration failed.

The stub function should return success?




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