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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/arch/mips/include/asm/tlbflush.h
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@@ -14,7 +14,6 @@
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  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
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  */
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 extern void local_flush_tlb_all(void);
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-extern void local_flush_tlb_mm(struct mm_struct *mm);
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 extern void local_flush_tlb_range(struct vm_area_struct *vma,
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 	unsigned long start, unsigned long end);
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 extern void local_flush_tlb_kernel_range(unsigned long start,
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@@ -22,6 +21,8 @@
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 extern void local_flush_tlb_page(struct vm_area_struct *vma,
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 	unsigned long page);
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 extern void local_flush_tlb_one(unsigned long vaddr);
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+
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+#include <asm/mmu_context.h>
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 #ifdef CONFIG_SMP
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@@ -36,7 +37,7 @@
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 #else /* CONFIG_SMP */
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 #define flush_tlb_all()			local_flush_tlb_all()
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-#define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)
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+#define flush_tlb_mm(mm)		drop_mmu_context(mm)
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 #define flush_tlb_range(vma, vmaddr, end)	local_flush_tlb_range(vma, vmaddr, end)
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 #define flush_tlb_kernel_range(vmaddr,end) \
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 	local_flush_tlb_kernel_range(vmaddr, end)