From: Cody P Schafer <cody@linux.vnet.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Linux MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Cody P Schafer <cody@linux.vnet.ibm.com>
Subject: [PATCH 3/4] mmzone: note that node_size_lock should be manipulated via pgdat_resize_lock()
Date: Wed, 1 May 2013 15:17:14 -0700 [thread overview]
Message-ID: <1367446635-12856-4-git-send-email-cody@linux.vnet.ibm.com> (raw)
In-Reply-To: <1367446635-12856-1-git-send-email-cody@linux.vnet.ibm.com>
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
---
include/linux/mmzone.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index afd0aa5..45be383 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -716,6 +716,8 @@ typedef struct pglist_data {
* or node_spanned_pages stay constant. Holding this will also
* guarantee that any pfn_valid() stays that way.
*
+ * Use pgdat_resize_lock() and pgdat_resize_unlock() to manipulate.
+ *
* Updaters of any of these fields also must hold
* lock_memory_hotplug().
*
--
1.8.2.2
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next prev parent reply other threads:[~2013-05-01 22:17 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-01 22:17 [PATCH 0/4] misc patches related to resizing nodes & zones Cody P Schafer
2013-05-01 22:17 ` [PATCH 1/4] mmzone: make holding lock_memory_hotplug() a requirement for updating pgdat size Cody P Schafer
2013-05-01 22:26 ` David Rientjes
2013-05-01 22:32 ` Cody P Schafer
2013-05-01 22:39 ` David Rientjes
2013-05-01 22:45 ` Cody P Schafer
2013-05-01 22:17 ` [PATCH 2/4] mm: fix comment referring to non-existent size_seqlock, change to span_seqlock Cody P Schafer
2013-05-01 22:27 ` David Rientjes
2013-05-01 22:17 ` Cody P Schafer [this message]
2013-05-01 22:29 ` [PATCH 3/4] mmzone: note that node_size_lock should be manipulated via pgdat_resize_lock() David Rientjes
2013-05-01 22:36 ` Cody P Schafer
2013-05-01 22:42 ` David Rientjes
2013-05-01 22:47 ` Cody P Schafer
2013-05-01 22:17 ` [PATCH 4/4] memory_hotplug: use pgdat_resize_lock() when updating node_present_pages Cody P Schafer
2013-05-01 22:30 ` David Rientjes
2013-05-01 22:41 ` Cody P Schafer
2013-05-01 22:48 ` David Rientjes
2013-05-01 22:51 ` Cody P Schafer
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