linux-kernel - Re: [PATCH 8/12] ksm: distribute remove_mm_from

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Message-ID: <4A78319D.9030002@redhat.com>
Date:	Tue, 04 Aug 2009 16:03:25 +0300
From:	Izik Eidus <ieidus@...hat.com>
To:	Hugh Dickins <hugh.dickins@...cali.co.uk>
CC:	Andrea Arcangeli <aarcange@...hat.com>,
	Rik van Riel <riel@...hat.com>,
	Chris Wright <chrisw@...hat.com>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 8/12] ksm: distribute remove_mm_from_lists

Hugh Dickins wrote:
> Do some housekeeping in ksm.c, to help make the next patch easier
> to understand: remove the function remove_mm_from_lists, distributing
> its code to its callsites scan_get_next_rmap_item and __ksm_exit.
>
> That turns out to be a win in scan_get_next_rmap_item: move its
> remove_trailing_rmap_items and cursor advancement up, and it becomes
> simpler than before.  __ksm_exit becomes messier, but will change
> again; and moving its remove_trailing_rmap_items up lets us strengthen
> the unstable tree item's age condition in remove_rmap_item_from_tree.
>
> Signed-off-by: Hugh Dickins <hugh.dickins@...cali.co.uk>
> ---
>
>   
Acked-by: Izik Eidus <ieidus@...hat.com>
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