linux-kernel - Re: [PATCH 5/11] ksm: get_ksm

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Message-ID: <alpine.LNX.2.00.1301271408100.17144@eggly.anvils>
Date:	Sun, 27 Jan 2013 14:10:16 -0800 (PST)
From:	Hugh Dickins <hughd@...gle.com>
To:	Simon Jeons <simon.jeons@...il.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Petr Holasek <pholasek@...hat.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Izik Eidus <izik.eidus@...ellosystems.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 5/11] ksm: get_ksm_page locked

On Sat, 26 Jan 2013, Simon Jeons wrote:
> 
> BTW, what's the meaning of ksm page forked? 

A ksm page is mapped into a process's mm, then that process calls fork():
the ksm page then appears in the child's mm, before ksmd has tracked it.
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