From: Andrew Morton <akpm@digeo.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: phillips@arcor.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC] My research agenda for 2.7
Date: Thu, 26 Jun 2003 13:10:05 -0700 [thread overview]
Message-ID: <20030626131005.4609acb5.akpm@digeo.com> (raw)
In-Reply-To: <Pine.LNX.4.53.0306262030500.5910@skynet>
Mel Gorman <mel@csn.ul.ie> wrote:
>
> Buddy allocators, including the
> one implemented in Linux, do not record what order allocation a struct
> page belongs to.
We can do that.
--- 25/mm/page_alloc.c~a 2003-06-26 13:09:11.000000000 -0700
+++ 25-akpm/mm/page_alloc.c 2003-06-26 13:09:24.000000000 -0700
@@ -123,6 +123,7 @@ static void prep_compound_page(struct pa
SetPageCompound(p);
p->lru.next = (void *)page;
}
+ page[1].index = order;
}
static void destroy_compound_page(struct page *page, unsigned long order)
_
--
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next prev parent reply other threads:[~2003-06-26 20:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-24 23:11 Daniel Phillips
2003-06-25 0:47 ` William Lee Irwin III
2003-06-25 1:07 ` Daniel Phillips
2003-06-25 1:10 ` William Lee Irwin III
2003-06-25 1:25 ` Daniel Phillips
2003-06-25 1:30 ` William Lee Irwin III
2003-06-25 9:29 ` Mel Gorman
2003-06-26 19:00 ` Daniel Phillips
2003-06-26 20:01 ` Mel Gorman
2003-06-26 20:10 ` Andrew Morton [this message]
2003-06-27 0:30 ` Daniel Phillips
2003-06-27 13:00 ` Mel Gorman
2003-06-27 14:38 ` Martin J. Bligh
2003-06-27 14:41 ` Daniel Phillips
2003-06-27 14:43 ` Martin J. Bligh
2003-06-27 14:54 ` Daniel Phillips
2003-06-27 15:04 ` Martin J. Bligh
2003-06-27 15:17 ` Daniel Phillips
2003-06-27 15:22 ` Mel Gorman
2003-06-27 15:50 ` Daniel Phillips
2003-06-27 16:00 ` Daniel Phillips
2003-06-29 19:25 ` Mel Gorman
2003-06-28 21:06 ` Daniel Phillips
2003-06-29 21:26 ` Mel Gorman
2003-06-28 21:54 ` Daniel Phillips
2003-06-29 22:07 ` William Lee Irwin III
2003-06-28 23:18 ` Daniel Phillips
2003-07-02 21:10 ` Mike Fedyk
2003-07-03 2:04 ` Larry McVoy
2003-07-03 2:20 ` William Lee Irwin III
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