From: Jean Delvare <khali@linux-fr.org> On x86_64, <asm/ptrace.h> uses __user but doesn't include <linux/compiler.h>. This could lead to build failures. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andi Kleen <ak@suse.de> --- include/asm-x86_64/ptrace.h | 1 + 1 file changed, 1 insertion(+) Index: linux/include/asm-x86_64/ptrace.h =================================================================== --- linux.orig/include/asm-x86_64/ptrace.h +++ linux/include/asm-x86_64/ptrace.h @@ -1,6 +1,7 @@ #ifndef _X86_64_PTRACE_H #define _X86_64_PTRACE_H +#include <linux/compiler.h> /* For __user */ #include <asm/ptrace-abi.h> #ifndef __ASSEMBLY__ -