From: Andrew Morton <akpm@osdl.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: linux-kernel@vger.kernel.org, andrea@suse.de, mason@suse.de
Subject: Re: [patch 1/2] vm early reclaim orphaned pages (take 2)
Date: Mon, 20 Jun 2005 00:31:37 -0700 [thread overview]
Message-ID: <20050620003137.32163b67.akpm@osdl.org> (raw)
In-Reply-To: <1119252194.6240.22.camel@npiggin-nld.site>
Nick Piggin <nickpiggin@yahoo.com.au> wrote:
>
> How about this?
>
It might be good, it's hard to tell.
Performance testing is needed.
> --- linux-2.6.orig/mm/swap.c 2004-12-25 08:34:31.000000000 +1100
> +++ linux-2.6/mm/swap.c 2005-06-20 17:20:28.216728238 +1000
> @@ -87,7 +87,7 @@
> spin_lock_irqsave(&zone->lru_lock, flags);
> if (PageLRU(page) && !PageActive(page)) {
> list_del(&page->lru);
> - list_add_tail(&page->lru, &zone->inactive_list);
> + list_move_tail(&page->lru, &zone->inactive_list);
> inc_page_state(pgrotated);
> }
> if (!test_clear_page_writeback(page))
> @@ -97,6 +97,32 @@
> }
Correctness testing is needed too ;)
next prev parent reply other threads:[~2005-06-20 7:32 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-17 3:23 [patch] vm early reclaim orphaned pages Nick Piggin
2005-06-17 3:34 ` Andrew Morton
2005-06-17 3:42 ` Nick Piggin
2005-06-17 4:20 ` Andrea Arcangeli
2005-06-20 7:23 ` [patch 1/2] vm early reclaim orphaned pages (take 2) Nick Piggin
2005-06-20 7:24 ` [patch 2/2] stats for orphaned pages (-mm only) Nick Piggin
2005-06-20 7:36 ` Andrew Morton
2005-06-20 7:49 ` Nick Piggin
2005-06-20 7:31 ` Andrew Morton [this message]
2005-06-20 7:32 ` [patch 1/2] vm early reclaim orphaned pages (take 2) Nick Piggin
2005-06-23 2:51 ` Rik Van Riel
2005-06-23 3:05 ` Nick Piggin
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