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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/arch/mips/include/asm/highmem.h
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@@ -24,7 +24,7 @@
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 #include <linux/interrupt.h>
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 #include <linux/uaccess.h>
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 #include <asm/cpu-features.h>
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-#include <asm/kmap_types.h>
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+#include <asm/kmap_size.h>
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 /* declarations for highmem.c */
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 extern unsigned long highstart_pfn, highend_pfn;
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@@ -36,7 +36,7 @@
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  * easily, subsequent pte tables have to be allocated in one physical
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  * chunk of RAM.
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  */
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-#ifdef CONFIG_PHYS_ADDR_T_64BIT
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+#if defined(CONFIG_PHYS_ADDR_T_64BIT) || defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
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 #define LAST_PKMAP 512
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 #else
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 #define LAST_PKMAP 1024
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@@ -46,20 +46,13 @@
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 #define PKMAP_NR(virt)	((virt-PKMAP_BASE) >> PAGE_SHIFT)
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 #define PKMAP_ADDR(nr)	(PKMAP_BASE + ((nr) << PAGE_SHIFT))
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-extern void * kmap_high(struct page *page);
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-extern void kunmap_high(struct page *page);
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-
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-extern void *kmap(struct page *page);
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-extern void kunmap(struct page *page);
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-extern void *kmap_atomic(struct page *page);
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-extern void __kunmap_atomic(void *kvaddr);
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-extern void *kmap_atomic_pfn(unsigned long pfn);
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+#define ARCH_HAS_KMAP_FLUSH_TLB
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+extern void kmap_flush_tlb(unsigned long addr);
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 #define flush_cache_kmaps()	BUG_ON(cpu_has_dc_aliases)
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-extern void kmap_init(void);
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-
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-#define kmap_prot PAGE_KERNEL
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+#define arch_kmap_local_post_map(vaddr, pteval)	local_flush_tlb_one(vaddr)
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+#define arch_kmap_local_post_unmap(vaddr)	local_flush_tlb_one(vaddr)
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 #endif /* __KERNEL__ */
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