mm/huge_memory: correct comment of prep_transhuge_page

We use page->mapping and page->index, instead of page->indexlru in second
tail page as list_head. Correct it.

Link: https://lkml.kernel.org/r/20220704132201.14611-15-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Zach O'Keefe <zokeefe@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index b6d915f24909ae48bb0805d08932c10704ac71a2..f3f3e4b5a3ab31bfa50eded14b8880b71121f66b 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -581,7 +581,7 @@ static inline struct deferred_split *get_deferred_split_queue(struct page *page)
 void prep_transhuge_page(struct page *page)
 {
        /*
-        * we use page->mapping and page->indexlru in second tail page
+        * we use page->mapping and page->index in second tail page
         * as list_head: assuming THP order >= 2
         */