From 447bac3d292fe934010bcf25e1edd539aa204988 Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Mon, 29 Apr 2024 20:00:55 +0100 Subject: thp: remove HPAGE_PMD_ORDER minimum assertion We now handle order-1 folios correctly, so we don't need this assertion any more. Link: https://lkml.kernel.org/r/20240429190114.3126789-1-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Andrew Morton --- mm/huge_memory.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index ccdcff73284a..317de2afd371 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) -- cgit v1.2.3