Commit 5a392e99 authored by Kevin Brodsky's avatar Kevin Brodsky Committed by Andrew Morton
Browse files

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: default avatarKevin 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 49f59966

arch/m68k/include/asm/mcf_pgalloc.h

+5 −1
Original line number Diff line number Diff line
@@ -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);

}