From: Weijie Yang <weijie.yang@samsung.com>
Date: Fri, 20 May 2016 23:58:04 +0000 (-0700)
Subject: mm fix commmets: if SPARSEMEM, pgdata doesn't have page_ext
X-Git-Tag: v4.14-rc1~3180^2~128
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0c9ad804f178eae02a34045bb0916fa0e31623d5;p=platform%2Fkernel%2Flinux-rpi.git

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@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 8dd0333..02069c2 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1063,7 +1063,7 @@ 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;