Re: [patch 1/5]thp: improve the error code path

[Shaohua Li]

On Tue, 2011-10-25 at 19:44 +0800, Andrea Arcangeli wrote:
> Hello,
> 
> On Tue, Oct 25, 2011 at 10:58:41AM +0800, Shaohua Li wrote:
> > +#ifdef CONFIG_SYSFS
> > +	sysfs_remove_group(hugepage_kobj, &khugepaged_attr_group);
> > +remove_hp_group:
> > +	sysfs_remove_group(hugepage_kobj, &hugepage_attr_group);
> > +delete_obj:
> > +	kobject_put(hugepage_kobj);
> >  out:
> > +#endif
> 
> Adding an ifdef is making the code worse, the whole point of having
> these functions become noops at build time is to avoid having to add
> ifdefs in the callers.
yes, but hugepage_attr_group is defined in CONFIG_SYSFS. And the
functions are inline functions. They really should be a '#define xxx'.

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