diff mbox series

thp: Remove HPAGE_PMD_ORDER minimum assertion

Message ID 20240429190114.3126789-1-willy@infradead.org (mailing list archive)
State New
Headers show
Series thp: Remove HPAGE_PMD_ORDER minimum assertion | expand

Commit Message

Matthew Wilcox April 29, 2024, 7 p.m. UTC 
We now handle order-1 folios correctly, so we don't need this
assertion any more.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 mm/huge_memory.c | 5 -----
 1 file changed, 5 deletions(-)
diff mbox series

Patch

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 19000fc2c43c..8b75809aca24 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -740,11 +740,6 @@  static int __init hugepage_init(void)
 	 * hugepages can't be allocated by the buddy allocator
 	 */
 	MAYBE_BUILD_BUG_ON(HPAGE_PMD_ORDER > MAX_PAGE_ORDER);
-	/*
-	 * we use page->mapping and page->index in second tail page
-	 * as list_head: assuming THP order >= 2
-	 */
-	MAYBE_BUILD_BUG_ON(HPAGE_PMD_ORDER < 2);
 
 	err = hugepage_init_sysfs(&hugepage_kobj);
 	if (err)