add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/m68k/mm/cache.c
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@@ -8,7 +8,7 @@
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  */
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 #include <linux/module.h>
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-#include <asm/pgalloc.h>
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+#include <asm/cacheflush.h>
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 #include <asm/traps.h>
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@@ -73,7 +73,7 @@
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 /* Push n pages at kernel virtual address and clear the icache */
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 /* RZ: use cpush %bc instead of cpush %dc, cinv %ic */
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-void flush_icache_range(unsigned long address, unsigned long endaddr)
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+void flush_icache_user_range(unsigned long address, unsigned long endaddr)
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 {
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 	if (CPU_IS_COLDFIRE) {
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 		unsigned long start, end;
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@@ -104,9 +104,18 @@
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 			      : "di" (FLUSH_I));
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 	}
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 }
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+
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+void flush_icache_range(unsigned long address, unsigned long endaddr)
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+{
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+	mm_segment_t old_fs = get_fs();
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+
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+	set_fs(KERNEL_DS);
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+	flush_icache_user_range(address, endaddr);
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+	set_fs(old_fs);
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+}
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 EXPORT_SYMBOL(flush_icache_range);
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-void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
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+void flush_icache_user_page(struct vm_area_struct *vma, struct page *page,
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 			     unsigned long addr, int len)
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 {
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 	if (CPU_IS_COLDFIRE) {