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

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Date:	Tue, 25 Oct 2011 13:44:06 +0200
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	Shaohua Li <shaohua.li@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm <linux-mm@...ck.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [patch 1/5]thp: improve the error code path

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.
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