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arm64/mm: convert pte_next_pfn() to pte_advance_pfn()

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Core-mm needs to be able to advance the pfn by an arbitrary amount, so
override the new pte_advance_pfn() API to do so.

Link: https://lkml.kernel.org/r/20240215103205.2607016-5-ryan.roberts@arm.com
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Barry Song <21cnbao@gmail.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Morse <james.morse@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ryan Roberts
2024-02-15 10:31:51 +00:00
committed by Andrew Morton
parent 583ceaaa33
commit c1bd2b4028
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm64/include/asm/pgtable.h
View File

@@ -351,10 +351,10 @@ static inline pgprot_t pte_pgprot(pte_t pte)
return __pgprot(pte_val(pfn_pte(pfn, __pgprot(0))) ^ pte_val(pte));
}
#define pte_next_pfn pte_next_pfn
static inline pte_t pte_next_pfn(pte_t pte)
#define pte_advance_pfn pte_advance_pfn
static inline pte_t pte_advance_pfn(pte_t pte, unsigned long nr)
{
return pfn_pte(pte_pfn(pte) + 1, pte_pgprot(pte));
return pfn_pte(pte_pfn(pte) + nr, pte_pgprot(pte));
}
static inline void set_ptes(struct mm_struct *mm,
@@ -370,7 +370,7 @@ static inline void set_ptes(struct mm_struct *mm,
if (--nr == 0)
break;
ptep++;
pte = pte_next_pfn(pte);
pte = pte_advance_pfn(pte, 1);
}
}
#define set_ptes set_ptes