linux-kernel - Re: [-mm PATCH 4/9] Memory controller memory accounting (v4)

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Message-Id: <20070731033832.9E8B41BF6B4@siro.lan>
Date:	Tue, 31 Jul 2007 12:38:32 +0900 (JST)
From:	yamamoto@...inux.co.jp (YAMAMOTO Takashi)
To:	balbir@...ux.vnet.ibm.com
Cc:	akpm@...ux-foundation.org, a.p.zijlstra@...llo.nl,
	dhaval@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, ebiederm@...ssion.com,
	containers@...ts.osdl.org, menage@...gle.com, xemul@...nvz.org
Subject: Re: [-mm PATCH 4/9] Memory controller memory accounting (v4)

> +	lock_meta_page(page);
> +	/*
> +	 * Check if somebody else beat us to allocating the meta_page
> +	 */
> +	race_mp = page_get_meta_page(page);
> +	if (race_mp) {
> +		kfree(mp);
> +		mp = race_mp;
> +		atomic_inc(&mp->ref_cnt);
> +		res_counter_uncharge(&mem->res, 1);
> +		goto done;
> +	}

i think you need css_put here.

YAMAMOTO Takashi
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