Commit c1dc69e6 authored by Miaohe Lin's avatar Miaohe Lin Committed by Andrew Morton
Browse files

mm/page_alloc: remove unneeded variable base 

Since commit 5d0a661d ("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.

Link: https://lkml.kernel.org/r/20230803114934.693989-1-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 73d47193

mm/page_alloc.c

+1 −3
Original line number Diff line number Diff line
@@ -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)