tramp_size 745 arch/x86/kernel/ftrace.c create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) tramp_size 783 arch/x86/kernel/ftrace.c *tramp_size = size + RET_SIZE + sizeof(void *); tramp_size 784 arch/x86/kernel/ftrace.c npages = DIV_ROUND_UP(*tramp_size, PAGE_SIZE);