[tip: x86/mm] x86/mm: Remove the arch-specific pgd_leaf() definition

From: tip-bot2 for Baoquan He
Date: Mon Mar 31 2025 - 06:26:27 EST


The following commit has been merged into the x86/mm branch of tip:

Commit-ID: 65525a3787ff082575fe29381d4dc8fd535634f2
Gitweb: https://git.kernel.org/tip/65525a3787ff082575fe29381d4dc8fd535634f2
Author: Baoquan He <bhe@xxxxxxxxxx>
AuthorDate: Mon, 31 Mar 2025 16:13:25 +08:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Mon, 31 Mar 2025 12:08:17 +02:00

x86/mm: Remove the arch-specific pgd_leaf() definition

PGD huge pages are not supported yet, let's use the generic definition
in <linux/pgtable.h>.

[ mingo: Cleaned up the changelog. ]

Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20250331081327.256412-6-bhe@xxxxxxxxxx
---
arch/x86/include/asm/pgtable.h | 3 ---
1 file changed, 3 deletions(-)

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 7bd6bd6..5f4fcc0 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1472,9 +1472,6 @@ static inline bool pgdp_maps_userspace(void *__ptr)
return (((ptr & ~PAGE_MASK) / sizeof(pgd_t)) < PGD_KERNEL_START);
}

-#define pgd_leaf pgd_leaf
-static inline bool pgd_leaf(pgd_t pgd) { return false; }
-
#ifdef CONFIG_MITIGATION_PAGE_TABLE_ISOLATION
/*
* All top-level MITIGATION_PAGE_TABLE_ISOLATION page tables are order-1 pages