linux-kernel - [PATCH] mm fix commmets: If SPARSEMEM, pgdata doesn't have page

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Message-id: <"000001d19156$1e02a5c0$5a07f140$@yang"@samsung.com>
Date:	Fri, 08 Apr 2016 13:17:42 +0800
From:	Weijie Yang <weijie.yang@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	'Weijie Yang' <weijie.yang.kh@...il.com>
Subject: [PATCH] mm fix commmets: If SPARSEMEM, pgdata doesn't have page_ext

If SPARSEMEM, use page_ext in mem_section
if !SPARSEMEM, use page_ext in pgdata

Signed-off-by: Weijie Yang <weijie.yang@...sung.com>
---
 include/linux/mmzone.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index c60df92..43c412c 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1056,7 +1056,7 @@ struct mem_section {
 	unsigned long *pageblock_flags;
 #ifdef CONFIG_PAGE_EXTENSION
 	/*
-	 * If !SPARSEMEM, pgdat doesn't have page_ext pointer. We use
+	 * If SPARSEMEM, pgdat doesn't have page_ext pointer. We use
 	 * section. (see page_ext.h about this.)
 	 */
 	struct page_ext *page_ext;
-- 
2.6.3