From: David Rientjes <rientjes@google.com>
To: Shaohui Zheng <shaohui.zheng@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
haicheng.li@linux.intel.com, lethal@linux-sh.org,
Andi Kleen <ak@linux.intel.com>,
Greg Kroah-Hartman <gregkh@suse.de>
Subject: Re: [7/7,v8] NUMA Hotplug Emulator: Implement per-node add_memory debugfs interface
Date: Mon, 13 Dec 2010 12:56:13 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.1012131255580.13478@chino.kir.corp.google.com> (raw)
In-Reply-To: <20101213020924.GB19637@shaohui>
On Mon, 13 Dec 2010, Shaohui Zheng wrote:
> For the state transition to N_HIGH_MEMORY, it does not happen on the above too
> interfaces. It happens when the memory was onlined with sysfs /sys/device/system/memory/memoryXX/online
> interface.
>
> That is the code path:
> store_mem_state
> ->memory_block_change_state
> ->memory_block_action
> ->online_pages
>
> if (onlined_pages) {
> kswapd_run(zone_to_nid(zone));
> node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
> }
>
> does it address your question? thanks.
>
Ok, thanks!
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next prev parent reply other threads:[~2010-12-13 20:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <A24AE1FFE7AEC5489F83450EE98351BF2A40FED20A@shsmsx502.ccr.corp.intel.com>
2010-12-09 1:21 ` Shaohui Zheng
2010-12-09 21:29 ` David Rientjes
2010-12-09 23:57 ` Shaohui Zheng
2010-12-10 23:30 ` David Rientjes
2010-12-13 2:09 ` Shaohui Zheng
2010-12-13 20:56 ` David Rientjes [this message]
2010-12-07 1:00 [0/7,v8] NUMA Hotplug Emulator (v8) shaohui.zheng
2010-12-07 1:00 ` [7/7,v8] NUMA Hotplug Emulator: Implement per-node add_memory debugfs interface shaohui.zheng
2010-12-08 21:31 ` David Rientjes
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