1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_GENERIC_CACHEFLUSH_H
3 #define _ASM_GENERIC_CACHEFLUSH_H
11 * The cache doesn't need to be flushed when TLB entries change when
12 * the cache is mapped to physical memory, not virtual memory
14 #ifndef flush_cache_all
15 static inline void flush_cache_all(void)
20 #ifndef flush_cache_mm
21 static inline void flush_cache_mm(struct mm_struct *mm)
26 #ifndef flush_cache_dup_mm
27 static inline void flush_cache_dup_mm(struct mm_struct *mm)
32 #ifndef flush_cache_range
33 static inline void flush_cache_range(struct vm_area_struct *vma,
40 #ifndef flush_cache_page
41 static inline void flush_cache_page(struct vm_area_struct *vma,
48 #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
49 static inline void flush_dcache_page(struct page *page)
53 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
56 #ifndef flush_dcache_mmap_lock
57 static inline void flush_dcache_mmap_lock(struct address_space *mapping)
62 #ifndef flush_dcache_mmap_unlock
63 static inline void flush_dcache_mmap_unlock(struct address_space *mapping)
68 #ifndef flush_icache_range
69 static inline void flush_icache_range(unsigned long start, unsigned long end)
74 #ifndef flush_icache_user_range
75 #define flush_icache_user_range flush_icache_range
78 #ifndef flush_icache_page
79 static inline void flush_icache_page(struct vm_area_struct *vma,
85 #ifndef flush_icache_user_page
86 static inline void flush_icache_user_page(struct vm_area_struct *vma,
88 unsigned long addr, int len)
93 #ifndef flush_cache_vmap
94 static inline void flush_cache_vmap(unsigned long start, unsigned long end)
99 #ifndef flush_cache_vunmap
100 static inline void flush_cache_vunmap(unsigned long start, unsigned long end)
105 #ifndef copy_to_user_page
106 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
108 memcpy(dst, src, len); \
109 flush_icache_user_page(vma, page, vaddr, len); \
113 #ifndef copy_from_user_page
114 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
115 memcpy(dst, src, len)
118 #endif /* _ASM_GENERIC_CACHEFLUSH_H */