+ arm64-stop-calling-page_address-in-free_pages.patch added to mm-new branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: arm64: stop calling page_address() in free_pages()
has been added to the -mm mm-new branch.  Its filename is
     arm64-stop-calling-page_address-in-free_pages.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/arm64-stop-calling-page_address-in-free_pages.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.

Before you just go and hit "reply", please:
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------------------------------------------------------
From: "Vishal Moola (Oracle)" <vishal.moola@gmail.com>
Subject: arm64: stop calling page_address() in free_pages()
Date: Tue, 26 Aug 2025 13:56:16 -0700

free_pages() should be used when we only have a virtual address.  We
should call __free_pages() directly on our page instead.

Link: https://lkml.kernel.org/r/20250826205617.1032945-7-vishal.moola@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Justin Sanders <justin@coraid.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/arm64/mm/mmu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/mm/mmu.c~arm64-stop-calling-page_address-in-free_pages
+++ a/arch/arm64/mm/mmu.c
@@ -843,7 +843,7 @@ static void free_hotplug_page_range(stru
 		vmem_altmap_free(altmap, size >> PAGE_SHIFT);
 	} else {
 		WARN_ON(PageReserved(page));
-		free_pages((unsigned long)page_address(page), get_order(size));
+		__free_pages(page, get_order(size));
 	}
 }
 
_

Patches currently in -mm which might be from vishal.moola@gmail.com are

mm-tag-kernel-stack-pages.patch
mm-page_alloc-add-kernel-docs-for-free_pages.patch
aoe-stop-calling-page_address-in-free_page.patch
x86-stop-calling-page_address-in-free_pages.patch
riscv-stop-calling-page_address-in-free_pages.patch
powerpc-stop-calling-page_address-in-free_pages.patch
arm64-stop-calling-page_address-in-free_pages.patch
virtio_balloon-stop-calling-page_address-in-free_pages.patch