syscall_page 42 arch/sh/kernel/vsyscall/vsyscall.c void *syscall_page = (void *)get_zeroed_page(GFP_ATOMIC); syscall_page 43 arch/sh/kernel/vsyscall/vsyscall.c syscall_pages[0] = virt_to_page(syscall_page); syscall_page 50 arch/sh/kernel/vsyscall/vsyscall.c memcpy(syscall_page,