m68k: mm: call ctor/dtor for kernel PTEs

The generic implementation of pte_{alloc_one,free}_kernel now calls the
[cd]tor.  Align the m68k/ColdFire implementation of those functions by
calling the [cd]tor explicitly.

Link: https://lkml.kernel.org/r/20250408095222.860601-5-kevin.brodsky@arm.com
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Waleij <linus.walleij@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: <x86@kernel.org>
Cc: Yang Shi <yang@os.amperecomputing.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/arch/m68k/include/asm/mcf_pgalloc.h b/arch/m68k/include/asm/mcf_pgalloc.h
index 465a71101b7d3a183c9222a1fb2df5867096b19c..fc5454d37da318fcd8e5bbef7a47c54090afafa7 100644 (file)
--- a/arch/m68k/include/asm/mcf_pgalloc.h
+++ b/arch/m68k/include/asm/mcf_pgalloc.h
@@ -7,7 +7,7 @@
 
 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
-       pagetable_free(virt_to_ptdesc(pte));
+       pagetable_dtor_free(virt_to_ptdesc(pte));
 }
 
 extern const char bad_pmd_string[];
@@ -19,6 +19,10 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 
        if (!ptdesc)
                return NULL;
+       if (!pagetable_pte_ctor(mm, ptdesc)) {
+               pagetable_free(ptdesc);
+               return NULL;
+       }
 
        return ptdesc_address(ptdesc);
 }