From b9da86e3aade0cd8c8b60a0f6356e7730fc90d5d Mon Sep 17 00:00:00 2001 From: Ira Weiny Date: Wed, 15 Mar 2023 16:20:54 -0700 Subject: x86/uaccess: Remove memcpy_page_flushcache() Commit 21b56c847753 ("iov_iter: get rid of separate bvec and xarray callbacks") removed the calls to memcpy_page_flushcache(). In addition, memcpy_page_flushcache() uses the deprecated kmap_atomic(). Remove the unused x86 memcpy_page_flushcache() implementation and also get rid of one more kmap_atomic() user. [ dhansen: tweak changelog ] Signed-off-by: Ira Weiny Signed-off-by: Dave Hansen Link: https://lore.kernel.org/all/20221230-kmap-x86-v1-1-15f1ecccab50%40intel.com --- arch/x86/lib/usercopy_64.c | 9 --------- 1 file changed, 9 deletions(-) (limited to 'arch/x86/lib/usercopy_64.c') diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index 6c1f8ac5e721..f515542f017f 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -136,13 +136,4 @@ void __memcpy_flushcache(void *_dst, const void *_src, size_t size) } } EXPORT_SYMBOL_GPL(__memcpy_flushcache); - -void memcpy_page_flushcache(char *to, struct page *page, size_t offset, - size_t len) -{ - char *from = kmap_atomic(page); - - memcpy_flushcache(to, from + offset, len); - kunmap_atomic(from); -} #endif -- cgit