[PATCH v2 02/15] arm/pgtable: define PFN_PTE_SHIFT

[PATCH v2 00/15] mm/memory: optimize fork() with PTE-mapped THP · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 01/15] arm64/mm: Make set_ptes() robust when OAs cross 48-bit boundary · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 02/15] arm/pgtable: define PFN_PTE_SHIFT · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 03/15] nios2/pgtable: define PFN_PTE_SHIFT · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 04/15] powerpc/pgtable: define PFN_PTE_SHIFT · David Hildenbrand <hidden> · 2024-01-25
Re: [PATCH v2 04/15] powerpc/pgtable: define PFN_PTE_SHIFT · Christophe Leroy <hidden> · 2024-01-25
[PATCH v2 05/15] riscv/pgtable: define PFN_PTE_SHIFT · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 06/15] s390/pgtable: define PFN_PTE_SHIFT · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 07/15] sparc/pgtable: define PFN_PTE_SHIFT · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 08/15] mm/pgtable: make pte_next_pfn() independent of set_ptes() · David Hildenbrand <hidden> · 2024-01-25
Re: [PATCH v2 08/15] mm/pgtable: make pte_next_pfn() independent of set_ptes() · Christophe Leroy <hidden> · 2024-01-25
[PATCH v2 09/15] arm/mm: use pte_next_pfn() in set_ptes() · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 10/15] powerpc/mm: use pte_next_pfn() in set_ptes() · David Hildenbrand <hidden> · 2024-01-25
Re: [PATCH v2 10/15] powerpc/mm: use pte_next_pfn() in set_ptes() · Christophe Leroy <hidden> · 2024-01-25
[PATCH v2 11/15] mm/memory: factor out copying the actual PTE in copy_present_pte() · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 12/15] mm/memory: pass PTE to copy_present_pte() · David Hildenbrand <hidden> · 2024-01-25
[PATCH v2 13/15] mm/memory: optimize fork() with PTE-mapped THP · David Hildenbrand <hidden> · 2024-01-25
Re: [PATCH v2 13/15] mm/memory: optimize fork() with PTE-mapped THP · David Hildenbrand <hidden> · 2024-01-26
Re: [PATCH v2 13/15] mm/memory: optimize fork() with PTE-mapped THP · Ryan Roberts <ryan.roberts@arm.com> · 2024-01-29
[PATCH v2 14/15] mm/memory: ignore dirty/accessed/soft-dirty bits in folio_pte_batch() · David Hildenbrand <hidden> · 2024-01-25
Re: [PATCH v2 14/15] mm/memory: ignore dirty/accessed/soft-dirty bits in folio_pte_batch() · Ryan Roberts <ryan.roberts@arm.com> · 2024-01-29
[PATCH v2 15/15] mm/memory: ignore writable bit in folio_pte_batch() · David Hildenbrand <hidden> · 2024-01-25

Lifecycle

2024-01-25 19:32 Posted David Hildenbrand <david@redhat.com>

From: David Hildenbrand <hidden>
Date: 2024-01-25 19:32:53
Also in: linux-arm-kernel, linux-mm, linux-riscv, linux-s390, lkml, sparclinux
Subsystem: arm port, the rest · Maintainers: Russell King, Linus Torvalds

We want to make use of pte_next_pfn() outside of set_ptes(). Let's
simply define PFN_PTE_SHIFT, required by pte_next_pfn().

Signed-off-by: David Hildenbrand <redacted>
---
 arch/arm/include/asm/pgtable.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index d657b84b6bf70..be91e376df79e 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h

@@ -209,6 +209,8 @@ static inline void __sync_icache_dcache(pte_t pteval)
 extern void __sync_icache_dcache(pte_t pteval);
 #endif
 
+#define PFN_PTE_SHIFT		PAGE_SHIFT
+
 void set_ptes(struct mm_struct *mm, unsigned long addr,
 		      pte_t *ptep, pte_t pteval, unsigned int nr);
 #define set_ptes set_ptes

-- 
2.43.0

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