linux-kernel - Re: [PATCH 05/10] mm: remove LRU balancing effect of temporary page isolation

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Date:	Mon, 06 Jun 2016 17:56:09 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Johannes Weiner <hannes@...xchg.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	Michal Hocko <mhocko@...e.cz>,
	Tim Chen <tim.c.chen@...ux.intel.com>, kernel-team@...com
Subject: Re: [PATCH 05/10] mm: remove LRU balancing effect of temporary page
 isolation

On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote:
> 
> +void lru_cache_putback(struct page *page)
> +{
> +	struct pagevec *pvec = &get_cpu_var(lru_putback_pvec);
> +
> +	get_page(page);
> +	if (!pagevec_space(pvec))
> +		__pagevec_lru_add(pvec, false);
> +	pagevec_add(pvec, page);
> +	put_cpu_var(lru_putback_pvec);
> +}
> 

Wait a moment.

So now we have a putback_lru_page, which does adjust
the statistics, and an lru_cache_putback which does
not?

This function could use a name that is not as similar
to its counterpart :)

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