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/usr/src/linux-headers-5.15.0-190/arch/csky/include/asm/

/usr/src/linux-headers-5.15.0-190/arch/csky/include/asm

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vdso/	-	0755	rm
addrspace.h	231	0644	edit dl rm
asid.h	2440	0644	edit dl rm
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bitops.h	1363	0644	edit dl rm
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highmem.h	1114	0644	edit dl rm
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irqflags.h	1132	0644	edit dl rm
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uprobes.h	669	0644	edit dl rm
vdso.h	784	0644	edit dl rm
vmalloc.h	90	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/csky/include/asm/highmem.h (1114B)

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef __ASM_CSKY_HIGHMEM_H
#define __ASM_CSKY_HIGHMEM_H

#ifdef __KERNEL__

#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/uaccess.h>
#include <asm/kmap_size.h>
#include <asm/cache.h>

/* undef for production */
#define HIGHMEM_DEBUG 1

/* declarations for highmem.c */
extern unsigned long highstart_pfn, highend_pfn;

extern pte_t *pkmap_page_table;

/*
 * Right now we initialize only a single pte table. It can be extended
 * easily, subsequent pte tables have to be allocated in one physical
 * chunk of RAM.
 */
#define LAST_PKMAP 1024
#define LAST_PKMAP_MASK (LAST_PKMAP-1)
#define PKMAP_NR(virt)  ((virt-PKMAP_BASE) >> PAGE_SHIFT)
#define PKMAP_ADDR(nr)  (PKMAP_BASE + ((nr) << PAGE_SHIFT))

#define ARCH_HAS_KMAP_FLUSH_TLB
extern void kmap_flush_tlb(unsigned long addr);

#define flush_cache_kmaps() do {} while (0)

#define arch_kmap_local_post_map(vaddr, pteval)	kmap_flush_tlb(vaddr)
#define arch_kmap_local_post_unmap(vaddr)	kmap_flush_tlb(vaddr)

extern void kmap_init(void);

#endif /* __KERNEL__ */

#endif /* __ASM_CSKY_HIGHMEM_H */

/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_CSKY_HIGHMEM_H #define __ASM_CSKY_HIGHMEM_H #ifdef __KERNEL__ #include #include #include #include #include /* undef for production */ #define HIGHMEM_DEBUG 1 /* declarations for highmem.c */ extern unsigned long highstart_pfn, highend_pfn; extern pte_t *pkmap_page_table; /* * Right now we initialize only a single pte table. It can be extended * easily, subsequent pte tables have to be allocated in one physical * chunk of RAM. */ #define LAST_PKMAP 1024 #define LAST_PKMAP_MASK (LAST_PKMAP-1) #define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT) #define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) #define ARCH_HAS_KMAP_FLUSH_TLB extern void kmap_flush_tlb(unsigned long addr); #define flush_cache_kmaps() do {} while (0) #define arch_kmap_local_post_map(vaddr, pteval) kmap_flush_tlb(vaddr) #define arch_kmap_local_post_unmap(vaddr) kmap_flush_tlb(vaddr) extern void kmap_init(void); #endif /* __KERNEL__ */ #endif /* __ASM_CSKY_HIGHMEM_H */