From: Yasunori Goto <y-goto@jp.fujitsu.com>
To: mel@skynet.ie (Mel Gorman)
Cc: Andrew Morton <akpm@linux-foundation.org>,
tony.luck@intel.com,
Linux Kernel ML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH]Fix parsing kernelcore boot option for ia64
Date: Tue, 24 Apr 2007 18:58:57 +0900 [thread overview]
Message-ID: <20070424183847.FD98.Y-GOTO@jp.fujitsu.com> (raw)
In-Reply-To: <20070423183637.GA11982@skynet.ie>
> Subject: Check zone boundaries when freeing bootmem
> Zone boundaries do not have to be aligned to MAX_ORDER_NR_PAGES.
Hmm. I don't understand here yet... Could you explain more?
This issue occurs only when ZONE_MOVABLE is specified.
If its boundary is aligned to MAX_ORDER automatically,
I guess user will not mind it.
>From memory hotplug view, I prefer section size alignment to make
simple code. :-P
> However,
> during boot, there is an implicit assumption that they are aligned to a
> BITS_PER_LONG boundary when freeing pages as quickly as possible. This
> patch checks the zone boundaries when freeing pages from the bootmem allocator.
Anyway, the patch works well.
Bye.
--
Yasunori Goto
next prev parent reply other threads:[~2007-04-24 9:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-13 5:26 [PATCH]Fix parsing kernelcore boot option for ia64 Yasunori Goto
2007-04-16 13:29 ` Mel Gorman
2007-04-22 6:22 ` Andrew Morton
2007-04-23 11:46 ` Yasunori Goto
2007-04-23 13:06 ` Mel Gorman
2007-04-23 18:32 ` Mel Gorman
2007-04-23 18:36 ` Mel Gorman
2007-04-24 9:58 ` Yasunori Goto [this message]
2007-04-24 10:09 ` Mel Gorman
2007-04-24 11:50 ` Mel Gorman
2007-04-24 0:26 ` KAMEZAWA Hiroyuki
2007-04-24 7:31 ` Yasunori Goto
2007-04-24 11:55 ` Mel Gorman
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