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Date: Thu, 13 Jun 2024 22:22:18 +0300
From: Alexey Dobriyan <adobriyan@...il.com>
To: akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
linux-security-module@...r.kernel.org,
linux-trace-kernel@...r.kernel.org
Subject: [PATCH] linux++: delete some forward declarations
g++ doesn't like forward enum declarations:
error: use of enum ‘E’ without previous declaration
64 | enum E;
Delete those which aren't used.
Delete some unused/unnecessary forward struct declarations for a change.
Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---
fs/ramfs/inode.c | 1 -
include/linux/console.h | 2 --
include/linux/device.h | 3 ---
include/linux/ftrace.h | 4 ----
include/linux/security.h | 6 ------
include/linux/signal.h | 2 --
include/linux/syscalls.h | 7 -------
include/linux/sysfs.h | 2 --
mm/internal.h | 4 ----
mm/shmem.c | 1 -
10 files changed, 32 deletions(-)
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -51,7 +51,6 @@ struct ramfs_fs_info {
#define RAMFS_DEFAULT_MODE 0755
-static const struct super_operations ramfs_ops;
static const struct inode_operations ramfs_dir_inode_operations;
struct inode *ramfs_get_inode(struct super_block *sb,
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -21,10 +21,8 @@
#include <linux/vesa.h>
struct vc_data;
-struct console_font_op;
struct console_font;
struct module;
-struct tty_struct;
struct notifier_block;
enum con_scroll {
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -36,10 +36,7 @@
struct device;
struct device_private;
struct device_driver;
-struct driver_private;
struct module;
-struct class;
-struct subsys_private;
struct device_node;
struct fwnode_handle;
struct iommu_group;
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -531,8 +531,6 @@ extern const void *ftrace_expected;
void ftrace_bug(int err, struct dyn_ftrace *rec);
-struct seq_file;
-
extern int ftrace_text_reserved(const void *start, const void *end);
struct ftrace_ops *ftrace_ops_trampoline(unsigned long addr);
@@ -1147,8 +1145,6 @@ static inline void unpause_graph_tracing(void) { }
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
#ifdef CONFIG_TRACING
-enum ftrace_dump_mode;
-
#define MAX_TRACER_SIZE 100
extern char ftrace_dump_on_oops[];
extern int ftrace_dump_on_oops_enabled(void);
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -41,7 +41,6 @@ struct rlimit;
struct kernel_siginfo;
struct sembuf;
struct kern_ipc_perm;
-struct audit_context;
struct super_block;
struct inode;
struct dentry;
@@ -59,8 +58,6 @@ struct xfrm_sec_ctx;
struct mm_struct;
struct fs_context;
struct fs_parameter;
-enum fs_value_type;
-struct watch;
struct watch_notification;
struct lsm_ctx;
@@ -183,8 +180,6 @@ struct sock;
struct sockaddr;
struct socket;
struct flowi_common;
-struct dst_entry;
-struct xfrm_selector;
struct xfrm_policy;
struct xfrm_state;
struct xfrm_user_sec_ctx;
@@ -219,7 +214,6 @@ extern unsigned long dac_mmap_min_addr;
#define LSM_PRLIMIT_WRITE 2
/* forward declares to avoid warnings */
-struct sched_param;
struct request_sock;
/* bprm->unsafe reasons */
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -274,8 +274,6 @@ static inline int valid_signal(unsigned long sig)
return sig <= _NSIG ? 1 : 0;
}
-struct timespec;
-struct pt_regs;
enum pid_type;
extern int next_signal(struct sigpending *pending, sigset_t *mask);
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -11,8 +11,6 @@
struct __aio_sigset;
struct epoll_event;
-struct iattr;
-struct inode;
struct iocb;
struct io_event;
struct iovec;
@@ -20,14 +18,12 @@ struct __kernel_old_itimerval;
struct kexec_segment;
struct linux_dirent;
struct linux_dirent64;
-struct list_head;
struct mmap_arg_struct;
struct msgbuf;
struct user_msghdr;
struct mmsghdr;
struct msqid_ds;
struct new_utsname;
-struct nfsctl_arg;
struct __old_kernel_stat;
struct oldold_utsname;
struct old_utsname;
@@ -38,7 +34,6 @@ struct rusage;
struct sched_param;
struct sched_attr;
struct sel_arg_struct;
-struct semaphore;
struct sembuf;
struct shmid_ds;
struct sockaddr;
@@ -48,14 +43,12 @@ struct statfs;
struct statfs64;
struct statx;
struct sysinfo;
-struct timespec;
struct __kernel_old_timeval;
struct __kernel_timex;
struct timezone;
struct tms;
struct utimbuf;
struct mq_attr;
-struct compat_stat;
struct old_timeval32;
struct robust_list_head;
struct futex_waitv;
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -23,9 +23,7 @@
#include <linux/atomic.h>
struct kobject;
-struct module;
struct bin_attribute;
-enum kobj_ns_type;
struct attribute {
const char *name;
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1095,10 +1095,6 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone,
/* Flags that allow allocations below the min watermark. */
#define ALLOC_RESERVES (ALLOC_NON_BLOCK|ALLOC_MIN_RESERVE|ALLOC_HIGHATOMIC|ALLOC_OOM)
-enum ttu_flags;
-struct tlbflush_unmap_batch;
-
-
/*
* only for MM internal work items which do not depend on
* any allocations or locks which might depend on allocations
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -261,7 +261,6 @@ static const struct inode_operations shmem_dir_inode_operations;
static const struct inode_operations shmem_special_inode_operations;
static const struct vm_operations_struct shmem_vm_ops;
static const struct vm_operations_struct shmem_anon_vm_ops;
-static struct file_system_type shmem_fs_type;
bool shmem_mapping(struct address_space *mapping)
{
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