linux-kernel - Re: [PATCH] mm: page_alloc: simplify drain_zone

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Message-Id: <20140616161341.2f677b79afb4da9250fd4282@linux-foundation.org>
Date:	Mon, 16 Jun 2014 16:13:41 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Michal Nazarewicz <mina86@...a86.com>
Cc:	Christoph Lameter <clameter@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: page_alloc: simplify drain_zone_pages by using
 min()

On Mon, 16 Jun 2014 23:08:14 +0200 Michal Nazarewicz <mina86@...a86.com> wrote:

> Instead of open-coding getting minimal value of two, just use min macro.
> That is why it is there for.  While changing the function also change
> type of batch local variable to match type of per_cpu_pages::batch
> (which is int).
> 

I'm not sure why we made all the per_cpu_pages mambers `int'.  Unsigned
would make more sense.


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