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include: replace linux/module.h with "struct module" wherever possible

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The <linux/module.h> pretty much brings in the kitchen sink along
with it, so it should be avoided wherever reasonably possible in
terms of being included from other commonly used <linux/something.h>
files, as it results in a measureable increase on compile times.

The worst culprit was probably device.h since it is used everywhere.
This file also had an implicit dependency/usage of mutex.h which was
masked by module.h, and is also fixed here at the same time.

There are over a dozen other headers that simply declare the
struct instead of pulling in the whole file, so follow their lead
and simply make it a few more.

Most of the implicit dependencies on module.h being present by
these headers pulling it in have been now weeded out, so we can
finally make this change with hopefully minimal breakage.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Paul Gortmaker 2011-05-26 13:46:22 -04:00
parent eb5589a8f0
commit de47725421
22 changed files with 34 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/drm/drmP.h
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@ -42,7 +42,6 @@
* can build the DRM (part of PI DRI). 4/21/2000 S + B */
#include <asm/current.h>
#endif /* __alpha__ */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/fs.h>
@ -80,6 +79,8 @@
#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
#define __OS_HAS_MTRR (defined(CONFIG_MTRR))
struct module;
struct drm_file;
struct drm_device;

2
include/linux/blkdev.h
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@ -14,7 +14,6 @@
#include <linux/wait.h>
#include <linux/mempool.h>
#include <linux/bio.h>
#include <linux/module.h>
#include <linux/stringify.h>
#include <linux/gfp.h>
#include <linux/bsg.h>
@ -22,6 +21,7 @@
#include <asm/scatterlist.h>
struct module;
struct scsi_ioctl_command;
struct request_queue;

3
include/linux/cpuidle.h
View File

@ -13,7 +13,6 @@
#include <linux/percpu.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kobject.h>
#include <linux/completion.h>
@ -21,6 +20,8 @@
#define CPUIDLE_NAME_LEN 16
#define CPUIDLE_DESC_LEN 32
struct module;
struct cpuidle_device;

3
include/linux/device.h
View File

@ -20,7 +20,7 @@
#include <linux/lockdep.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/pm.h>
#include <linux/atomic.h>
#include <asm/device.h>
@ -29,6 +29,7 @@ struct device;
struct device_private;
struct device_driver;
struct driver_private;
struct module;
struct class;
struct subsys_private;
struct bus_type;

2
include/linux/firmware.h
View File

@ -1,7 +1,6 @@
#ifndef _LINUX_FIRMWARE_H
#define _LINUX_FIRMWARE_H
#include <linux/module.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/gfp.h>
@ -15,6 +14,7 @@ struct firmware {
struct page **pages;
};
struct module;
struct device;
struct builtin_fw {

2
include/linux/ftrace.h
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@ -10,7 +10,6 @@
#include <linux/kallsyms.h>
#include <linux/linkage.h>
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/ktime.h>
#include <linux/sched.h>
#include <linux/types.h>
@ -19,6 +18,7 @@
#include <asm/ftrace.h>
struct module;
struct ftrace_hash;
#ifdef CONFIG_FUNCTION_TRACER

3
include/linux/i2c.h
View File

@ -28,7 +28,6 @@
#include <linux/types.h>
#ifdef __KERNEL__
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/device.h> /* for struct device */
#include <linux/sched.h> /* for completion */
@ -49,6 +48,8 @@ struct i2c_driver;
union i2c_smbus_data;
struct i2c_board_info;
struct module;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
/*
* The master routines are the ones normally used to transmit data to devices

3
include/linux/ipmi.h
View File

@ -220,10 +220,11 @@ struct kernel_ipmi_msg {
* The in-kernel interface.
*/
#include <linux/list.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/proc_fs.h>
struct module;
/* Opaque type for a IPMI message user. One of these is needed to
send and receive messages. */
typedef struct ipmi_user *ipmi_user_t;

1
include/linux/ipmi_smi.h
View File

@ -36,7 +36,6 @@
#include <linux/ipmi_msgdefs.h>
#include <linux/proc_fs.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/ipmi.h>

3
include/linux/mdio-bitbang.h
View File

@ -2,7 +2,8 @@
#define __LINUX_MDIO_BITBANG_H
#include <linux/phy.h>
#include <linux/module.h>
struct module;
struct mdiobb_ctrl;

3
include/linux/mtd/mtd.h
View File

@ -21,7 +21,6 @@
#define __MTD_MTD_H__
#include <linux/types.h>
#include <linux/module.h>
#include <linux/uio.h>
#include <linux/notifier.h>
#include <linux/device.h>
@ -125,6 +124,8 @@ struct nand_ecclayout {
struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
};
struct module; /* only needed for owner field in mtd_info */
struct mtd_info {
u_char type;
uint32_t flags;

2
include/linux/regmap.h
View File

@ -15,8 +15,8 @@
#include <linux/device.h>
#include <linux/list.h>
#include <linux/module.h>
struct module;
struct i2c_client;
struct spi_device;

3
include/linux/sunrpc/svc_xprt.h
View File

@ -8,7 +8,8 @@
#define SUNRPC_SVC_XPRT_H
#include <linux/sunrpc/svc.h>
#include <linux/module.h>
struct module;
struct svc_xprt_ops {
struct svc_xprt *(*xpo_create)(struct svc_serv *,

3
include/linux/textsearch.h
View File

@ -4,10 +4,11 @@
#include <linux/types.h>
#include <linux/list.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/slab.h>
struct module;
struct ts_config;
#define TS_AUTOLOAD 1 /* Automatically load textsearch modules when needed */

2
include/linux/uio_driver.h
View File

@ -14,10 +14,10 @@
#ifndef _UIO_DRIVER_H_
#define _UIO_DRIVER_H_
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
struct module;
struct uio_map;
/**

3
include/linux/vlynq.h
View File

@ -20,9 +20,10 @@
#define __VLYNQ_H__
#include <linux/device.h>
#include <linux/module.h>
#include <linux/types.h>
struct module;
#define VLYNQ_NUM_IRQS 32
struct vlynq_mapping {

3
include/media/saa7146.h
View File

@ -1,7 +1,6 @@
#ifndef __SAA7146__
#define __SAA7146__
#include <linux/module.h> /* for module-version */
#include <linux/delay.h> /* for delay-stuff */
#include <linux/slab.h> /* for kmalloc/kfree */
#include <linux/pci.h> /* for pci-config-stuff, vendor ids etc. */
@ -47,6 +46,8 @@ extern unsigned int saa7146_debug;
#define SAA7146_ISR_CLEAR(x,y) \
saa7146_write(x, ISR, (y));
struct module;
struct saa7146_dev;
struct saa7146_extension;
struct saa7146_vv;

3
include/media/v4l2-int-device.h
View File

@ -25,7 +25,6 @@
#ifndef V4L2_INT_DEVICE_H
#define V4L2_INT_DEVICE_H
#include <linux/module.h>
#include <media/v4l2-common.h>
#define V4L2NAMESIZE 32
@ -41,6 +40,8 @@ enum v4l2_int_type {
v4l2_int_type_slave
};
struct module;
struct v4l2_int_device;
struct v4l2_int_master {

3
include/net/lib80211.h
View File

@ -25,7 +25,6 @@
#include <linux/types.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/atomic.h>
#include <linux/if.h>
#include <linux/skbuff.h>
@ -42,6 +41,8 @@ enum {
IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0),
};
struct module;
struct lib80211_crypto_ops {
const char *name;
struct list_head list;

2
include/net/sock.h
View File

@ -46,7 +46,6 @@
#include <linux/list_nulls.h>
#include <linux/timer.h>
#include <linux/cache.h>
#include <linux/module.h>
#include <linux/lockdep.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h> /* struct sk_buff */
@ -729,6 +728,7 @@ struct request_sock_ops;
struct timewait_sock_ops;
struct inet_hashinfo;
struct raw_hashinfo;
struct module;
/* Networking protocol blocks we attach to sockets.
* socket layer -> transport layer interface

2
include/sound/core.h
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@ -22,7 +22,6 @@
*
*/
#include <linux/module.h>
#include <linux/sched.h> /* wake_up() */
#include <linux/mutex.h> /* struct mutex */
#include <linux/rwsem.h> /* struct rw_semaphore */
@ -43,6 +42,7 @@
#ifdef CONFIG_PCI
struct pci_dev;
#endif
struct module;
/* device allocation stuff */

2
include/trace/events/module.h
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@ -1,6 +1,6 @@
/*
* Because linux/module.h has tracepoints in the header, and ftrace.h
* eventually includes this file, define_trace.h includes linux/module.h
* used to include this file, define_trace.h includes linux/module.h
* But we do not want the module.h to override the TRACE_SYSTEM macro
* variable that define_trace.h is processing, so we only set it
* when module events are being processed, which would happen when