mm: fix some comment errors

Link: https://lkml.kernel.org/r/20211101040208.460810-1-fuqf0919@gmail.com
Signed-off-by: Quanfa Fu <fuqf0919@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 6a2b4b8..373837b 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1306,7 +1306,7 @@ static int __get_unpoison_page(struct page *page)
  *
  * get_hwpoison_page() takes a page refcount of an error page to handle memory
  * error on it, after checking that the error page is in a well-defined state
- * (defined as a page-type we can successfully handle the memor error on it,
+ * (defined as a page-type we can successfully handle the memory error on it,
  * such as LRU page and hugetlb page).
  *
  * Memory error handling could be triggered at any time on any type of page,