diff options
| author | Matthew Wilcox <matthew@wil.cx> | 2008-10-16 15:51:35 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-01-06 10:44:30 -0800 |
| commit | 929d2fa5955ab27aa21fac615b23e0e92e8dc3a0 (patch) | |
| tree | 7cca230fb8187f2b90543f89715581f4ad81ea77 | |
| parent | 7f4f5d4516b441d712fa0ffe5380618fb7fc545e (diff) | |
| download | op-kernel-dev-929d2fa5955ab27aa21fac615b23e0e92e8dc3a0.zip op-kernel-dev-929d2fa5955ab27aa21fac615b23e0e92e8dc3a0.tar.gz | |
driver core: Rearrange struct device for better packing
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>
| -rw-r--r-- | include/linux/device.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 4a52005..4e14fad 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -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); |
