linux-kernel - Re: [PATCH 1/2 V2] ksm: take dirty bit as reference to avoid volatile pages scanning

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Message-ID: <20110621214233.GN25383@sequoia.sous-sol.org>
Date:	Tue, 21 Jun 2011 14:42:33 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	Nai Xia <nai.xia@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Izik Eidus <izik.eidus@...ellosystems.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	Chris Wright <chrisw@...s-sol.org>,
	Rik van Riel <riel@...hat.com>,
	linux-mm <linux-mm@...ck.org>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2 V2] ksm: take dirty bit as reference to avoid
 volatile pages scanning

* Nai Xia (nai.xia@...il.com) wrote:
> This patch makes the page_check_address() can validate if a subpage is
> in its place in a huge page pointed by the address. This can be useful when
> ksm does not split huge pages when looking up the subpages one by one.

Just a quick heads up...this patch does not compile by itself.  Could you
do a little patch cleanup?  Start with just making sure the Subject: is
correct for each patch.  Then make sure the 3 are part of same series.
And finally, make sure each is stand alone and complilable on its own.

thanks,
-chris
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