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From: Mtrr Patt <mtrr.patt@gmail.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@redhat.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Michal Hocko <mhocko@suse.cz>, Mel Gorman <mgorman@suse.de>,
	linux-mm@kvack.org
Subject: Re: Better active/inactive list balancing
Date: Sat, 27 Apr 2013 14:20:54 +0800	[thread overview]
Message-ID: <517B6E46.30209@gmail.com> (raw)
In-Reply-To: <517B6DF5.70402@gmail.com>

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cc linux-mm

On 04/27/2013 02:19 PM, Mtrr Patt wrote:
> Hi Johannes,
>
> http://lwn.net/Articles/495543/
>
> This link said that "When active pages are considered for eviction, 
> they are first moved to the inactive list and unmapped from the 
> address space of the process(es) using them. Thus, once a page moves 
> to the inactive list, any attempt to reference it will generate a page 
> fault; this "soft fault" will cause the page to be removed back to the 
> active list."
>
> Why I can't find the codes unmap during page moved from active list to 
> inactive list?
>
>
>


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       reply	other threads:[~2013-04-27  6:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <517B6DF5.70402@gmail.com>
2013-04-27  6:20 ` Mtrr Patt [this message]
2013-04-30 16:32   ` Better active/inactive list balancing Johannes Weiner
2013-05-01  6:55     ` Mtrr Patt
2013-05-01 15:21       ` Johannes Weiner
2013-05-01 23:35         ` Mtrr Patt

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