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arm64/mm: convert ptep_clear() to ptep_get_and_clear()
ptep_clear() is a generic wrapper around the arch-implemented ptep_get_and_clear(). We are about to convert ptep_get_and_clear() into a public version and private version (__ptep_get_and_clear()) to support the transparent contpte work. We won't have a private version of ptep_clear() so let's convert it to directly call ptep_get_and_clear(). Link: https://lkml.kernel.org/r/20240215103205.2607016-10-ryan.roberts@arm.com Signed-off-by: Ryan Roberts <ryan.roberts@arm.com> Tested-by: John Hubbard <jhubbard@nvidia.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: David Hildenbrand <david@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Morse <james.morse@arm.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>
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@ -229,7 +229,7 @@ static void clear_flush(struct mm_struct *mm,
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unsigned long i, saddr = addr;
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for (i = 0; i < ncontig; i++, addr += pgsize, ptep++)
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ptep_clear(mm, addr, ptep);
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ptep_get_and_clear(mm, addr, ptep);
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flush_tlb_range(&vma, saddr, addr);
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}
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