linux-kernel - Re: [RFC][PATCHv3 2/7] zsmalloc: partial page ordering within a fullness

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Date:	Thu, 18 Jun 2015 23:43:43 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [RFC][PATCHv3 2/7] zsmalloc: partial page ordering within a
 fullness_list

On (06/18/15 21:13), Sergey Senozhatsky wrote:
> @@ -645,10 +645,11 @@ static void insert_zspage(struct page *page, struct size_class *class,
>  		 * We want to see more ZS_FULL pages and less almost
>  		 * empty/full. Put pages with higher ->inuse first.
>  		 */
> -		if (page->inuse < (*head)->inuse)
> -			list_add_tail(&page->lru, &(*head)->lru);
> -		else
> +		if (fullness == ZS_ALMOST_FULL ||
> +				(page->inuse >= (*head)->inuse))
>  			list_add(&page->lru, &(*head)->lru);
> +		else
> +			list_add_tail(&page->lru, &(*head)->lru);
>  	}
>  
>  	*head = page;

oh, dear. what I was thinking of. this is just stupid. please ignore
this part.

	-ss
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