The quilt patch titled Subject: thp: remove HPAGE_PMD_ORDER minimum assertion has been removed from the -mm tree. Its filename was thp-remove-hpage_pmd_order-minimum-assertion.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Subject: thp: remove HPAGE_PMD_ORDER minimum assertion Date: Mon, 29 Apr 2024 20:00:55 +0100 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@xxxxxxxxxxxxx Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/huge_memory.c | 5 ----- 1 file changed, 5 deletions(-) --- a/mm/huge_memory.c~thp-remove-hpage_pmd_order-minimum-assertion +++ a/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) _ Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are squashfs-convert-squashfs_symlink_read_folio-to-use-folio-apis.patch squashfs-remove-calls-to-set-the-folio-error-flag.patch nilfs2-remove-calls-to-folio_set_error-and-folio_clear_error.patch