The following commit has been merged into the x86/cleanups branch of tip: Commit-ID: 3b939ba0c21115de99d8e2966eaa2c4e74733d00 Gitweb: https://git.kernel.org/tip/3b939ba0c21115de99d8e2966eaa2c4e74733d00 Author: Arnd Bergmann <arnd@xxxxxxxx> AuthorDate: Tue, 16 May 2023 21:35:46 +02:00 Committer: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> CommitterDate: Thu, 18 May 2023 11:56:18 -07:00 x86/usercopy: Include arch_wb_cache_pmem() declaration arch_wb_cache_pmem() is declared in a global header but defined by the architecture. On x86, the implementation needs to include the header to avoid this warning: arch/x86/lib/usercopy_64.c:39:6: error: no previous prototype for 'arch_wb_cache_pmem' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Reviewed-by: Alexander Lobakin <aleksander.lobakin@xxxxxxxxx> Link: https://lore.kernel.org/all/20230516193549.544673-18-arnd%40kernel.org --- arch/x86/lib/usercopy_64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index 003d901..e9251b8 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -9,6 +9,7 @@ #include <linux/export.h> #include <linux/uaccess.h> #include <linux/highmem.h> +#include <linux/libnvdimm.h> /* * Zero Userspace
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