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2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/arch/arm/include/asm/highmem.h
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@@ -10,8 +10,6 @@
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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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-#define kmap_prot		PAGE_KERNEL
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-
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 #define flush_cache_kmaps() \
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 	do { \
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 		if (cache_is_vivt()) \
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@@ -19,9 +17,6 @@
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 	} while (0)
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 extern pte_t *pkmap_page_table;
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-
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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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  * The reason for kmap_high_get() is to ensure that the currently kmap'd
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@@ -63,10 +58,6 @@
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  * when CONFIG_HIGHMEM is not set.
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  */
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 #ifdef CONFIG_HIGHMEM
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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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 #endif
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