+ sh-mm-stop-using-pgd_error.patch added to mm-new branch

+ sh-mm-stop-using-pgd_error.patch added to mm-new branch

[Andrew Morton]

The patch titled
     Subject: sh/mm: stop using pgd_ERROR()
has been added to the -mm mm-new branch.  Its filename is
     sh-mm-stop-using-pgd_error.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/sh-mm-stop-using-pgd_error.patch

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

Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews.  Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.

The mm-new branch of mm.git is not included in linux-next

If a few days of testing in mm-new is successful, the patch will me moved
into mm.git's mm-unstable branch, which is included in linux-next

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days

------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: sh/mm: stop using pgd_ERROR()
Date: Mon, 31 Aug 2026 11:13:29 +0530

Stop using pgd_ERROR() in __get_pte_phys() when page table entry is
already known to be empty.

Link: https://lore.kernel.org/20260831054331.625505-8-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: James Bottomley <james.bottomley@HansenPartnership.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Samuel Holland <samuel.holland@sifive.com>
Cc: WANG Xuerui <kernel@xen0n.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/sh/mm/init.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/arch/sh/mm/init.c~sh-mm-stop-using-pgd_error
+++ a/arch/sh/mm/init.c
@@ -52,10 +52,8 @@ static pte_t *__get_pte_phys(unsigned lo
 	pmd_t *pmd;
 
 	pgd = pgd_offset_k(addr);
-	if (pgd_none(*pgd)) {
-		pgd_ERROR(*pgd);
+	if (pgd_none(*pgd))
 		return NULL;
-	}
 
 	p4d = p4d_alloc(NULL, pgd, addr);
 	if (unlikely(!p4d)) {
_

Patches currently in -mm which might be from anshuman.khandual@arm.com are

mm-make-ptval_to_str-generally-available.patch
mm-stop-using-pxd_error.patch
loongarch-mm-stop-using-pte_error.patch
parisc-mm-directly-use-generic-_clear_bad.patch
sh-mm-stop-using-pte_error.patch
sh-mm-stop-using-_error.patch
sh-mm-stop-using-pgd_error.patch
mm-drop-pxd_error.patch