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sysctl: remove all extern declaration from sysctl.c
Extern declarations in .c files are a bad style and can lead to mismatches. Use existing definitions in headers where they exist, and otherwise move the external declarations to suitable header files. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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26363af564
commit
2374c09b1c
7 changed files with 24 additions and 42 deletions
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@ -22,4 +22,8 @@ extern void do_coredump(const kernel_siginfo_t *siginfo);
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static inline void do_coredump(const kernel_siginfo_t *siginfo) {}
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#endif
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extern int core_uses_pid;
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extern char core_pattern[];
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extern unsigned int core_pipe_limit;
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#endif /* _LINUX_COREDUMP_H */
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@ -94,4 +94,6 @@ extern void fd_install(unsigned int fd, struct file *file);
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extern void flush_delayed_fput(void);
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extern void __fput_sync(struct file *);
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extern unsigned int sysctl_nr_open_min, sysctl_nr_open_max;
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#endif /* __LINUX_FILE_H */
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@ -3140,5 +3140,7 @@ unsigned long wp_shared_mapping_range(struct address_space *mapping,
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pgoff_t first_index, pgoff_t nr);
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#endif
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extern int sysctl_nr_trim_pages;
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#endif /* __KERNEL__ */
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#endif /* _LINUX_MM_H */
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@ -909,6 +909,7 @@ static inline int is_highmem(struct zone *zone)
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/* These two functions are used to setup the per zone pages min values */
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struct ctl_table;
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int min_free_kbytes_sysctl_handler(struct ctl_table *, int,
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void __user *, size_t *, loff_t *);
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int watermark_scale_factor_sysctl_handler(struct ctl_table *, int,
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@ -925,6 +926,7 @@ int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *, int,
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extern int numa_zonelist_order_handler(struct ctl_table *, int,
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void __user *, size_t *, loff_t *);
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extern int percpu_pagelist_fraction;
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extern char numa_zonelist_order[];
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#define NUMA_ZONELIST_ORDER_LEN 16
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@ -108,6 +108,9 @@ extern void transfer_pid(struct task_struct *old, struct task_struct *new,
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struct pid_namespace;
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extern struct pid_namespace init_pid_ns;
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extern int pid_max;
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extern int pid_max_min, pid_max_max;
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/*
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* look up a PID in the hash table. Must be called with the tasklist_lock
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* or rcu_read_lock() held.
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@ -207,7 +207,15 @@ void unregister_sysctl_table(struct ctl_table_header * table);
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extern int sysctl_init(void);
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extern int pwrsw_enabled;
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extern int unaligned_enabled;
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extern int unaligned_dump_stack;
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extern int no_unaligned_warning;
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extern struct ctl_table sysctl_mount_point[];
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extern struct ctl_table random_table[];
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extern struct ctl_table firmware_config_table[];
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extern struct ctl_table epoll_table[];
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#else /* CONFIG_SYSCTL */
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static inline struct ctl_table_header *register_sysctl_table(struct ctl_table * table)
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@ -68,6 +68,9 @@
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#include <linux/bpf.h>
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#include <linux/mount.h>
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#include <linux/userfaultfd_k.h>
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#include <linux/coredump.h>
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#include <linux/latencytop.h>
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#include <linux/pid.h>
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#include "../lib/kstrtox.h"
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@ -103,22 +106,6 @@
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#if defined(CONFIG_SYSCTL)
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/* External variables not in a header file. */
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extern int suid_dumpable;
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#ifdef CONFIG_COREDUMP
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extern int core_uses_pid;
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extern char core_pattern[];
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extern unsigned int core_pipe_limit;
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#endif
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extern int pid_max;
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extern int pid_max_min, pid_max_max;
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extern int percpu_pagelist_fraction;
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extern int latencytop_enabled;
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extern unsigned int sysctl_nr_open_min, sysctl_nr_open_max;
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#ifndef CONFIG_MMU
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extern int sysctl_nr_trim_pages;
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#endif
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/* Constants used for minimum and maximum */
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#ifdef CONFIG_LOCKUP_DETECTOR
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static int sixty = 60;
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@ -160,24 +147,6 @@ static unsigned long hung_task_timeout_max = (LONG_MAX/HZ);
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#ifdef CONFIG_INOTIFY_USER
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#include <linux/inotify.h>
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#endif
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#ifdef CONFIG_SPARC
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#endif
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#ifdef CONFIG_PARISC
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extern int pwrsw_enabled;
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#endif
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#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW
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extern int unaligned_enabled;
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#endif
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#ifdef CONFIG_IA64
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extern int unaligned_dump_stack;
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#endif
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#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
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extern int no_unaligned_warning;
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#endif
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#ifdef CONFIG_PROC_SYSCTL
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@ -243,14 +212,6 @@ static struct ctl_table vm_table[];
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static struct ctl_table fs_table[];
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static struct ctl_table debug_table[];
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static struct ctl_table dev_table[];
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extern struct ctl_table random_table[];
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#ifdef CONFIG_EPOLL
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extern struct ctl_table epoll_table[];
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#endif
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#ifdef CONFIG_FW_LOADER_USER_HELPER
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extern struct ctl_table firmware_config_table[];
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#endif
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#if defined(HAVE_ARCH_PICK_MMAP_LAYOUT) || \
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defined(CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT)
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