--- zzzz-none-000/linux-3.10.107/arch/arc/include/asm/tlb.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arc/include/asm/tlb.h	2021-02-04 17:41:59.000000000 +0000
@@ -9,18 +9,6 @@
 #ifndef _ASM_ARC_TLB_H
 #define _ASM_ARC_TLB_H
 
-#ifdef __KERNEL__
-
-#include <asm/pgtable.h>
-
-/* Masks for actual TLB "PD"s */
-#define PTE_BITS_IN_PD0	(_PAGE_GLOBAL | _PAGE_PRESENT)
-#define PTE_BITS_IN_PD1	(PAGE_MASK | _PAGE_CACHEABLE | \
-			 _PAGE_U_EXECUTE | _PAGE_U_WRITE | _PAGE_U_READ | \
-			 _PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ)
-
-#ifndef __ASSEMBLY__
-
 #define tlb_flush(tlb)				\
 do {						\
 	if (tlb->fullmm)			\
@@ -56,18 +44,4 @@
 #include <linux/pagemap.h>
 #include <asm-generic/tlb.h>
 
-#ifdef CONFIG_ARC_DBG_TLB_PARANOIA
-void tlb_paranoid_check(unsigned int pid_sw, unsigned long address);
-#else
-#define tlb_paranoid_check(a, b)
-#endif
-
-void arc_mmu_init(void);
-extern char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len);
-void __init read_decode_mmu_bcr(void);
-
-#endif	/* __ASSEMBLY__ */
-
-#endif	/* __KERNEL__ */
-
 #endif /* _ASM_ARC_TLB_H */