From: Dave Hansen <haveblue@us.ibm.com>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: akpm@osdl.org, virtualization@lists.osdl.org,
frankeh@watson.ibm.com, rhim@cc.gateh.edu,
nickpiggin@yahoo.com.au, linux-kernel@vger.kernel.org
Subject: Re: [patch 1/9] Guest page hinting: unused / free pages.
Date: Fri, 01 Sep 2006 08:33:41 -0700 [thread overview]
Message-ID: <1157124821.28577.88.camel@localhost.localdomain> (raw)
In-Reply-To: <20060901110908.GB15684@skybase>
On Fri, 2006-09-01 at 13:09 +0200, Martin Schwidefsky wrote:
> +++ linux-2.6-patched/mm/page_alloc.c 2006-09-01 12:49:35.000000000
> +0200
> @@ -515,6 +515,7 @@ static void __free_pages_ok(struct page
> reserved += free_pages_check(page + i);
> if (reserved)
> return;
> + page_set_unused(page, order);
>
> kernel_map_pages(page, 1 << order, 0);
> local_irq_save(flags);
Do these have anything in common with arch_free_page()? I thought
marking the pages as being "unused by the kernel" was the whole idea of
having that hook.
-- Dave
next prev parent reply other threads:[~2006-09-01 15:33 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-01 11:09 [patch 1/9] Guest page hinting: unused / free pages Martin Schwidefsky
2006-09-01 15:33 ` Dave Hansen [this message]
2006-09-01 15:43 ` Martin Schwidefsky
2006-09-01 15:56 ` Dave Hansen
2006-09-01 16:05 ` Martin Schwidefsky
2006-09-01 16:10 ` Dave Hansen
2006-09-12 22:47 ` Rik van Riel
2006-09-13 0:07 ` Hubertus Franke
2006-09-13 1:29 ` Rik van Riel
2006-09-13 8:56 ` Martin Schwidefsky
2006-09-13 12:06 ` Hubertus Franke
2006-09-13 12:45 ` Martin Schwidefsky
2006-09-13 13:06 ` Hubertus Franke
2006-09-13 14:45 ` Rik van Riel
2006-09-13 14:59 ` Martin Schwidefsky
2006-09-13 17:05 ` Hubertus Franke
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