[PATCH v2 1/5] mm/page_alloc.c: remove meaningless VM_BUG_ON() in pindex_to_order()
From: Miaohe Lin <linmiaohe@huawei.com>
Date: 2021-09-02 12:12:32
Also in:
lkml
Subsystem:
memory management, memory management - page allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Linus Torvalds
It's meaningless to VM_BUG_ON() order != pageblock_order just after setting order to pageblock_order. Remove it. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Acked-by: Mel Gorman <redacted> Reviewed-by: David Hildenbrand <redacted> --- 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 91edb930b8ab..dbb3338d9287 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c@@ -677,10 +677,8 @@ static inline int pindex_to_order(unsigned int pindex) int order = pindex / MIGRATE_PCPTYPES; #ifdef CONFIG_TRANSPARENT_HUGEPAGE - if (order > PAGE_ALLOC_COSTLY_ORDER) { + if (order > PAGE_ALLOC_COSTLY_ORDER) order = pageblock_order; - VM_BUG_ON(order != pageblock_order); - } #else VM_BUG_ON(order > PAGE_ALLOC_COSTLY_ORDER); #endif
--
2.23.0