From: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Subject: 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@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mmzone.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/mmzone.h~mm-fix-commmets-if-sparsemem-pgdata-doesnt-have-page_ext include/linux/mmzone.h
--- a/include/linux/mmzone.h~mm-fix-commmets-if-sparsemem-pgdata-doesnt-have-page_ext
+++ a/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;
_
--
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