From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gordan Bobic <gordan@bobich.net>
Subject: Re: KSM without VT / KSM for all memory
Date: Fri, 26 Mar 2010 23:47:09 +0000
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References: <4BACFB68.404@bobich.net> <20100326224659.GJ1744@sequoia.sous-sol.org>
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Chris Wright wrote:

>> 2) For all memory in a system, without patching all applications to  
>> register with it
> 
> No.
> 
> Right now, an app must be modified to call madvise(MADV_MERGEABLE).
> Further, the core scanning loop that ksmd performs is based on per-process
> virtual memory regions rather than physical memory.

You mean only pages within the same process are de-duplicated?

Gordan