From: Christoph Hellwig <hch@xxxxxx> Subject: unicore32: remove flush_cache_user_range flush_cache_user_range is an ARMism not used by any generic or unicore32 specific code. Link: http://lkml.kernel.org/r/20200515143646.3857579-5-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Cc: Guan Xuetao <gxt@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/unicore32/include/asm/cacheflush.h | 8 -------- 1 file changed, 8 deletions(-) --- a/arch/unicore32/include/asm/cacheflush.h~unicore32-remove-flush_cache_user_range +++ a/arch/unicore32/include/asm/cacheflush.h @@ -133,14 +133,6 @@ extern void flush_cache_page(struct vm_a #define flush_cache_dup_mm(mm) flush_cache_mm(mm) /* - * flush_cache_user_range is used when we want to ensure that the - * Harvard caches are synchronised for the user space address range. - * This is used for the UniCore private sys_cacheflush system call. - */ -#define flush_cache_user_range(vma, start, end) \ - __cpuc_coherent_user_range((start) & PAGE_MASK, PAGE_ALIGN(end)) - -/* * Perform necessary cache operations to ensure that data previously * stored within this range of addresses can be executed by the CPU. */ _