[PATCH] mm/page_alloc: remove unneeded variable base

[Miaohe Lin]

Since commit 5d0a661d808f ("mm/page_alloc: use only one PCP list for
THP-sized allocations"), local variable base is just as same as order.
So remove it. No functional change intended.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 mm/page_alloc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d7a357cb21ee..96b7c1a7d1f2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -538,8 +538,6 @@ static void bad_page(struct page *page, const char *reason)
 
 static inline unsigned int order_to_pindex(int migratetype, int order)
 {
-	int base = order;
-
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 	if (order > PAGE_ALLOC_COSTLY_ORDER) {
 		VM_BUG_ON(order != pageblock_order);
@@ -549,7 +547,7 @@ static inline unsigned int order_to_pindex(int migratetype, int order)
 	VM_BUG_ON(order > PAGE_ALLOC_COSTLY_ORDER);
 #endif
 
-	return (MIGRATE_PCPTYPES * base) + migratetype;
+	return (MIGRATE_PCPTYPES * order) + migratetype;
 }
 
 static inline int pindex_to_order(unsigned int pindex)
-- 
2.33.0