Commit 929d2fa5 authored by Matthew Wilcox's avatar Matthew Wilcox Committed by Greg Kroah-Hartman
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driver core: Rearrange struct device for better packing 



This minor rearrangement saves 16 bytes from sizeof(struct device)
according to pahole.

Signed-off-by: default avatarMatthew Wilcox <willy@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 7f4f5d45

include/linux/device.h

+3 −2
Original line number Diff line number Diff line
@@ -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.
@@ -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);