From: Robin Holt <holt@sgi.com>
To: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Zhang Yanfei <zhangyanfei.yes@gmail.com>,
Linux MM <linux-mm@kvack.org>,
mgorman@suse.de, minchan@kernel.org,
kamezawa.hiroyu@jp.fujitsu.com, m.szyprowski@samsung.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] mm: rename confusing function names
Date: Fri, 8 Feb 2013 07:34:41 -0600 [thread overview]
Message-ID: <20130208133441.GH3460@sgi.com> (raw)
In-Reply-To: <5111B318.9020204@cn.fujitsu.com>
> > static unsigned int nr_free_zone_pages(int offset)
> > {
> > ...
> > unsigned int sum = 0;
> > ...
> > return sum;
> > }
> >
> > How long will it be until these things start exploding from
> > sums-of-zones which exceed 16TB?
> >
>
> You mean overflow? Hmm.. it might happens. Change the sum to
> unsigned long is ok?
We are in the process right now of building a 32TB machine. Let me make
a note about this right away. Thankfully, the memory will be spread
over 256 zones so it should not impact us right away.
Thanks,
Robin
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prev parent reply other threads:[~2013-02-08 13:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-05 17:09 [PATCH 0/3] mm: rename confusing function names Zhang Yanfei
2013-02-05 17:11 ` [PATCH 1/3] mm: rename nr_free_zone_pages to nr_free_zone_high_pages Zhang Yanfei
2013-02-05 17:13 ` [PATCH 2/3] mm: rename nr_free_buffer_pages to nr_free_buffer_high_pages Zhang Yanfei
2013-02-05 17:14 ` [PATCH 3/3] mm: rename nr_free_pagecache_pages to nr_free_pagecache_high_pages Zhang Yanfei
2013-02-05 19:26 ` [PATCH 0/3] mm: rename confusing function names Johannes Weiner
2013-02-05 22:13 ` Andrew Morton
2013-02-06 1:06 ` Zhang Yanfei
2013-02-06 1:20 ` Andrew Morton
2013-02-06 1:34 ` Zhang Yanfei
2013-02-06 1:58 ` Andrew Morton
2013-02-08 13:34 ` Robin Holt [this message]
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