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

[tip-bot2 for Baoquan He]

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

Commit-ID:     b0510ac74e189442dde8799c1b212bd106f2300c
Gitweb:        https://git.kernel.org/tip/b0510ac74e189442dde8799c1b212bd106f2300c
Author:        Baoquan He <bhe@xxxxxxxxxx>
AuthorDate:    Mon, 31 Mar 2025 16:13:25 +08:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Tue, 01 Apr 2025 22:46:51 +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>
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
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