All the modules name are ro-data, it is never copied to the array.
eg.
static struct cpuidle_driver intel_idle_driver = { .name = "intel_idle", .owner = THIS_MODULE, };
It safe to assign the pointer of this ro-data to a const char *. By this way we save 12 bytes.
Signed-off-by: Daniel Lezcano daniel.lezcano@linaro.org Acked-by: Deepthi Dharwar deepthi@linux.vnet.ibm.com Tested-by: Deepthi Dharwar deepthi@linux.vnet.ibm.com --- include/linux/cpuidle.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index ca4e498..f7f1d90 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -120,7 +120,7 @@ static inline int cpuidle_get_last_residency(struct cpuidle_device *dev) ****************************/
struct cpuidle_driver { - char name[CPUIDLE_NAME_LEN]; + const char *name; struct module *owner;
unsigned int power_specified:1;