linux-kernel - Re: [7/7,v8] NUMA Hotplug Emulator: Implement per-node add

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Mon, 13 Dec 2010 12:56:13 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Shaohui Zheng <shaohui.zheng@...ux.intel.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, haicheng.li@...ux.intel.com,
	lethal@...ux-sh.org, Andi Kleen <ak@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [7/7,v8] NUMA Hotplug Emulator: Implement per-node add_memory
 debugfs interface

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!
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/