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driver core: Rearrange struct device for better packing
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This minor rearrangement saves 16 bytes from sizeof(struct device)
according to pahole.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Matthew Wilcox authored and Greg Kroah-Hartman committed Jan 6, 2009
1 parent 7f4f5d4 commit 929d2fa
Showing 1 changed file with 3 additions and 2 deletions.
5 changes: 3 additions & 2 deletions include/linux/device.h
Original file line number Diff line number Diff line change
Expand Up @@ -373,9 +373,9 @@ struct device {

struct kobject kobj;
char bus_id[BUS_ID_SIZE]; /* position on parent bus */
unsigned uevent_suppress:1;
const char *init_name; /* initial name of the device */
struct device_type *type;
unsigned uevent_suppress:1;

struct semaphore sem; /* semaphore to synchronize calls to
* its driver.
Expand Down Expand Up @@ -408,12 +408,13 @@ struct device {
/* arch specific additions */
struct dev_archdata archdata;

dev_t devt; /* dev_t, creates the sysfs "dev" */

spinlock_t devres_lock;
struct list_head devres_head;

struct klist_node knode_class;
struct class *class;
dev_t devt; /* dev_t, creates the sysfs "dev" */
struct attribute_group **groups; /* optional groups */

void (*release)(struct device *dev);
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