From d1fea155ee3d90fb3adcb3d6c42751860be3b158 Mon Sep 17 00:00:00 2001
From: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Date: Fri, 5 Nov 2021 13:36:46 -0700
Subject: mm/page_ext.c: fix a comment

I have noticed that the previous macro is #ifndef CONFIG_SPARSEMEM.  I
think the comment of #else should be CONFIG_SPARSEMEM.

Link: https://lkml.kernel.org/r/20211008140312.6492-1-zhangyinan2019@email.szu.edu.cn
Signed-off-by: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_ext.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_ext.c b/mm/page_ext.c
index 2a52fd9ed464..6242afb24d84 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -201,7 +201,7 @@ fail:
 	panic("Out of memory");
 }
 
-#else /* CONFIG_FLATMEM */
+#else /* CONFIG_SPARSEMEM */
 
 struct page_ext *lookup_page_ext(const struct page *page)
 {
-- 
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