From: Yasunori Goto <y-goto@jp.fujitsu.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>, Andi Kleen <ak@suse.de>,
"Tolentino, Matthew E" <matthew.e.tolentino@intel.com>,
linux-ia64@vger.kernel.org,
Linux Kernel ML <linux-kernel@vger.kernel.org>,
x86-64 Discuss <discuss@x86-64.org>,
Linux Hotplug Memory Support <lhms-devel@lists.sourceforge.net>,
Hiroyuki KAMEZAWA <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [Lhms-devel] [RFC/PATCH: 002/010] Memory hotplug for new nodes with pgdat allocation. (Wait tabl
Date: Sat, 11 Feb 2006 04:15:17 +0000 [thread overview]
Message-ID: <20060211125941.D35C.Y-GOTO@jp.fujitsu.com> (raw)
In-Reply-To: <1139589128.9209.80.camel@localhost.localdomain>
> On Fri, 2006-02-10 at 23:20 +0900, Yasunori Goto wrote:
> >
> > static __meminit
> > void zone_wait_table_init(struct zone *zone, unsigned long
> > zone_size_pages)
> > {
> > - int i;
> > + int i, hotadd = (system_state = SYSTEM_RUNNING);
> > struct pglist_data *pgdat = zone->zone_pgdat;
> > + unsigned long allocsize;
> >
> > /*
> > * The per-page waitqueue mechanism uses hashed waitqueues
> > * per zone.
> > */
> > + if (hotadd && (zone_size_pages = PAGES_PER_SECTION))
> > + zone_size_pages = PAGES_PER_SECTION << 2;
>
> I don't think I understand this calculation. You online only 4 sections
> worth of pages?
Ummmmm.
I realized that I've forgotten many things about this patch
due to long time keeping in storage.
At least here looks strange indeed.
I need shake my brain to recall it. :-(
--
Yasunori Goto
next prev parent reply other threads:[~2006-02-11 4:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-10 14:20 [RFC/PATCH: 002/010] Memory hotplug for new nodes with pgdat allocation. (Wait table and zonelists i Yasunori Goto
2006-02-10 16:32 ` [Lhms-devel] [RFC/PATCH: 002/010] Memory hotplug for new nodes Dave Hansen
2006-02-11 4:15 ` Yasunori Goto [this message]
2006-02-11 10:58 ` Kamezawa Hiroyuki
2006-02-14 13:24 ` [Lhms-devel] [RFC/PATCH: 002/010] Memory hotplug for new nodes with pgdat allocation. (Wait tabl Yasunori Goto
2006-02-15 1:06 ` [Lhms-devel] [RFC/PATCH: 002/010] Memory hotplug for new nodes KAMEZAWA Hiroyuki
2006-02-10 16:33 ` Dave Hansen
2006-02-14 7:34 ` [Lhms-devel] [RFC/PATCH: 002/010] Memory hotplug for new nodes with pgdat allocation. (Wait tabl Yasunori Goto
2006-02-10 21:59 ` [Lhms-devel] [RFC/PATCH: 002/010] Memory hotplug for new nodes Joel Schopp
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