+ mm-x86-replace-pgd_large-with-pgd_leaf.patch added to mm-unstable branch

+ mm-x86-replace-pgd_large-with-pgd_leaf.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/x86: replace pgd_large() with pgd_leaf()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-x86-replace-pgd_large-with-pgd_leaf.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-x86-replace-pgd_large-with-pgd_leaf.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Peter Xu <peterx@redhat.com>
Subject: mm/x86: replace pgd_large() with pgd_leaf()
Date: Tue, 5 Mar 2024 12:37:44 +0800

pgd_leaf() is a global API while pgd_large() is not.  Always use the
global pgd_leaf(), then drop pgd_large().

Link: https://lkml.kernel.org/r/20240305043750.93762-5-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@kernel.org>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/include/asm/pgtable.h |    4 ++--
 arch/x86/mm/pti.c              |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/arch/x86/include/asm/pgtable.h~mm-x86-replace-pgd_large-with-pgd_leaf
+++ a/arch/x86/include/asm/pgtable.h
@@ -1418,8 +1418,8 @@ static inline bool pgdp_maps_userspace(v
 	return (((ptr & ~PAGE_MASK) / sizeof(pgd_t)) < PGD_KERNEL_START);
 }
 
-#define pgd_leaf	pgd_large
-static inline int pgd_large(pgd_t pgd) { return 0; }
+#define pgd_leaf	pgd_leaf
+static inline int pgd_leaf(pgd_t pgd) { return 0; }
 
 #ifdef CONFIG_PAGE_TABLE_ISOLATION
 /*
--- a/arch/x86/mm/pti.c~mm-x86-replace-pgd_large-with-pgd_leaf
+++ a/arch/x86/mm/pti.c
@@ -185,7 +185,7 @@ static p4d_t *pti_user_pagetable_walk_p4
 
 		set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(new_p4d_page)));
 	}
-	BUILD_BUG_ON(pgd_large(*pgd) != 0);
+	BUILD_BUG_ON(pgd_leaf(*pgd) != 0);
 
 	return p4d_offset(pgd, address);
 }
_

Patches currently in -mm which might be from peterx@redhat.com are

mm-ppc-define-pxd_large-with-pxd_leaf.patch
mm-ppc-replace-pxd_is_leaf-with-pxd_leaf.patch
mm-x86-replace-p4d_large-with-p4d_leaf.patch
mm-x86-replace-pgd_large-with-pgd_leaf.patch
mm-x86-drop-two-unnecessary-pud_leaf-definitions.patch
mm-kasan-use-pxd_leaf-in-shadow_mapped.patch
mm-treewide-replace-pmd_large-with-pmd_leaf.patch
mm-treewide-replace-pud_large-with-pud_leaf.patch
mm-treewide-drop-pxd_large.patch
mm-treewide-align-up-pxd_leaf-retval-across-archs.patch