aboutsummaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/accounting/getdelays.c12
-rw-r--r--Documentation/auxdisplay/cfag12864b-example.c22
-rw-r--r--Documentation/ia64/aliasing-test.c8
-rw-r--r--Documentation/pcmcia/crc32hash.c2
-rw-r--r--Documentation/spi/spidev_test.c4
-rw-r--r--Documentation/video4linux/v4lgrab.c2
-rw-r--r--Documentation/vm/page-types.c52
-rw-r--r--Documentation/vm/slabinfo.c68
-rw-r--r--Documentation/watchdog/src/watchdog-test.c2
9 files changed, 86 insertions, 86 deletions
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c
index aa73e72fd79..6e25c2659e0 100644
--- a/Documentation/accounting/getdelays.c
+++ b/Documentation/accounting/getdelays.c
@@ -116,7 +116,7 @@ error:
}
-int send_cmd(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
+static int send_cmd(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
__u8 genl_cmd, __u16 nla_type,
void *nla_data, int nla_len)
{
@@ -160,7 +160,7 @@ int send_cmd(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
* Probe the controller in genetlink to find the family id
* for the TASKSTATS family
*/
-int get_family_id(int sd)
+static int get_family_id(int sd)
{
struct {
struct nlmsghdr n;
@@ -190,7 +190,7 @@ int get_family_id(int sd)
return id;
}
-void print_delayacct(struct taskstats *t)
+static void print_delayacct(struct taskstats *t)
{
printf("\n\nCPU %15s%15s%15s%15s\n"
" %15llu%15llu%15llu%15llu\n"
@@ -216,7 +216,7 @@ void print_delayacct(struct taskstats *t)
(unsigned long long)t->freepages_delay_total);
}
-void task_context_switch_counts(struct taskstats *t)
+static void task_context_switch_counts(struct taskstats *t)
{
printf("\n\nTask %15s%15s\n"
" %15llu%15llu\n",
@@ -224,7 +224,7 @@ void task_context_switch_counts(struct taskstats *t)
(unsigned long long)t->nvcsw, (unsigned long long)t->nivcsw);
}
-void print_cgroupstats(struct cgroupstats *c)
+static void print_cgroupstats(struct cgroupstats *c)
{
printf("sleeping %llu, blocked %llu, running %llu, stopped %llu, "
"uninterruptible %llu\n", (unsigned long long)c->nr_sleeping,
@@ -235,7 +235,7 @@ void print_cgroupstats(struct cgroupstats *c)
}
-void print_ioacct(struct taskstats *t)
+static void print_ioacct(struct taskstats *t)
{
printf("%s: read=%llu, write=%llu, cancelled_write=%llu\n",
t->ac_comm,
diff --git a/Documentation/auxdisplay/cfag12864b-example.c b/Documentation/auxdisplay/cfag12864b-example.c
index 2caeea5e499..1d2c010bae1 100644
--- a/Documentation/auxdisplay/cfag12864b-example.c
+++ b/Documentation/auxdisplay/cfag12864b-example.c
@@ -62,7 +62,7 @@ unsigned char cfag12864b_buffer[CFAG12864B_SIZE];
* Unable to open: return = -1
* Unable to mmap: return = -2
*/
-int cfag12864b_init(char *path)
+static int cfag12864b_init(char *path)
{
cfag12864b_fd = open(path, O_RDWR);
if (cfag12864b_fd == -1)
@@ -81,7 +81,7 @@ int cfag12864b_init(char *path)
/*
* exit a cfag12864b framebuffer device
*/
-void cfag12864b_exit(void)
+static void cfag12864b_exit(void)
{
munmap(cfag12864b_mem, CFAG12864B_SIZE);
close(cfag12864b_fd);
@@ -90,7 +90,7 @@ void cfag12864b_exit(void)
/*
* set (x, y) pixel
*/
-void cfag12864b_set(unsigned char x, unsigned char y)
+static void cfag12864b_set(unsigned char x, unsigned char y)
{
if (CFAG12864B_CHECK(x, y))
cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] |=
@@ -100,7 +100,7 @@ void cfag12864b_set(unsigned char x, unsigned char y)
/*
* unset (x, y) pixel
*/
-void cfag12864b_unset(unsigned char x, unsigned char y)
+static void cfag12864b_unset(unsigned char x, unsigned char y)
{
if (CFAG12864B_CHECK(x, y))
cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] &=
@@ -113,7 +113,7 @@ void cfag12864b_unset(unsigned char x, unsigned char y)
* Pixel off: return = 0
* Pixel on: return = 1
*/
-unsigned char cfag12864b_isset(unsigned char x, unsigned char y)
+static unsigned char cfag12864b_isset(unsigned char x, unsigned char y)
{
if (CFAG12864B_CHECK(x, y))
if (cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] &
@@ -126,7 +126,7 @@ unsigned char cfag12864b_isset(unsigned char x, unsigned char y)
/*
* not (x, y) pixel
*/
-void cfag12864b_not(unsigned char x, unsigned char y)
+static void cfag12864b_not(unsigned char x, unsigned char y)
{
if (cfag12864b_isset(x, y))
cfag12864b_unset(x, y);
@@ -137,7 +137,7 @@ void cfag12864b_not(unsigned char x, unsigned char y)
/*
* fill (set all pixels)
*/
-void cfag12864b_fill(void)
+static void cfag12864b_fill(void)
{
unsigned short i;
@@ -148,7 +148,7 @@ void cfag12864b_fill(void)
/*
* clear (unset all pixels)
*/
-void cfag12864b_clear(void)
+static void cfag12864b_clear(void)
{
unsigned short i;
@@ -162,7 +162,7 @@ void cfag12864b_clear(void)
* Pixel off: src[i] = 0
* Pixel on: src[i] > 0
*/
-void cfag12864b_format(unsigned char * matrix)
+static void cfag12864b_format(unsigned char * matrix)
{
unsigned char i, j, n;
@@ -182,7 +182,7 @@ void cfag12864b_format(unsigned char * matrix)
/*
* blit buffer to lcd
*/
-void cfag12864b_blit(void)
+static void cfag12864b_blit(void)
{
memcpy(cfag12864b_mem, cfag12864b_buffer, CFAG12864B_SIZE);
}
@@ -198,7 +198,7 @@ void cfag12864b_blit(void)
#define EXAMPLES 6
-void example(unsigned char n)
+static void example(unsigned char n)
{
unsigned short i, j;
unsigned char matrix[CFAG12864B_WIDTH * CFAG12864B_HEIGHT];
diff --git a/Documentation/ia64/aliasing-test.c b/Documentation/ia64/aliasing-test.c
index d23610fb2ff..3dfb76ca693 100644
--- a/Documentation/ia64/aliasing-test.c
+++ b/Documentation/ia64/aliasing-test.c
@@ -24,7 +24,7 @@
int sum;
-int map_mem(char *path, off_t offset, size_t length, int touch)
+static int map_mem(char *path, off_t offset, size_t length, int touch)
{
int fd, rc;
void *addr;
@@ -62,7 +62,7 @@ int map_mem(char *path, off_t offset, size_t length, int touch)
return 0;
}
-int scan_tree(char *path, char *file, off_t offset, size_t length, int touch)
+static int scan_tree(char *path, char *file, off_t offset, size_t length, int touch)
{
struct dirent **namelist;
char *name, *path2;
@@ -119,7 +119,7 @@ skip:
char buf[1024];
-int read_rom(char *path)
+static int read_rom(char *path)
{
int fd, rc;
size_t size = 0;
@@ -146,7 +146,7 @@ int read_rom(char *path)
return size;
}
-int scan_rom(char *path, char *file)
+static int scan_rom(char *path, char *file)
{
struct dirent **namelist;
char *name, *path2;
diff --git a/Documentation/pcmcia/crc32hash.c b/Documentation/pcmcia/crc32hash.c
index 4210e5abab8..44f8beea726 100644
--- a/Documentation/pcmcia/crc32hash.c
+++ b/Documentation/pcmcia/crc32hash.c
@@ -8,7 +8,7 @@ $ ./crc32hash "Dual Speed"
#include <ctype.h>
#include <stdlib.h>
-unsigned int crc32(unsigned char const *p, unsigned int len)
+static unsigned int crc32(unsigned char const *p, unsigned int len)
{
int i;
unsigned int crc = 0;
diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c
index c1a5aad3c75..10abd3773e4 100644
--- a/Documentation/spi/spidev_test.c
+++ b/Documentation/spi/spidev_test.c
@@ -69,7 +69,7 @@ static void transfer(int fd)
puts("");
}
-void print_usage(const char *prog)
+static void print_usage(const char *prog)
{
printf("Usage: %s [-DsbdlHOLC3]\n", prog);
puts(" -D --device device to use (default /dev/spidev1.1)\n"
@@ -85,7 +85,7 @@ void print_usage(const char *prog)
exit(1);
}
-void parse_opts(int argc, char *argv[])
+static void parse_opts(int argc, char *argv[])
{
while (1) {
static const struct option lopts[] = {
diff --git a/Documentation/video4linux/v4lgrab.c b/Documentation/video4linux/v4lgrab.c
index 05769cff100..c8ded175796 100644
--- a/Documentation/video4linux/v4lgrab.c
+++ b/Documentation/video4linux/v4lgrab.c
@@ -89,7 +89,7 @@
} \
}
-int get_brightness_adj(unsigned char *image, long size, int *brightness) {
+static int get_brightness_adj(unsigned char *image, long size, int *brightness) {
long i, tot = 0;
for (i=0;i<size*3;i++)
tot += image[i];
diff --git a/Documentation/vm/page-types.c b/Documentation/vm/page-types.c
index 0833f44ba16..3eda8ea0085 100644
--- a/Documentation/vm/page-types.c
+++ b/Documentation/vm/page-types.c
@@ -158,12 +158,12 @@ static uint64_t page_flags[HASH_SIZE];
type __min2 = (y); \
__min1 < __min2 ? __min1 : __min2; })
-unsigned long pages2mb(unsigned long pages)
+static unsigned long pages2mb(unsigned long pages)
{
return (pages * page_size) >> 20;
}
-void fatal(const char *x, ...)
+static void fatal(const char *x, ...)
{
va_list ap;
@@ -178,7 +178,7 @@ void fatal(const char *x, ...)
* page flag names
*/
-char *page_flag_name(uint64_t flags)
+static char *page_flag_name(uint64_t flags)
{
static char buf[65];
int present;
@@ -197,7 +197,7 @@ char *page_flag_name(uint64_t flags)
return buf;
}
-char *page_flag_longname(uint64_t flags)
+static char *page_flag_longname(uint64_t flags)
{
static char buf[1024];
int i, n;
@@ -221,7 +221,7 @@ char *page_flag_longname(uint64_t flags)
* page list and summary
*/
-void show_page_range(unsigned long offset, uint64_t flags)
+static void show_page_range(unsigned long offset, uint64_t flags)
{
static uint64_t flags0;
static unsigned long index;
@@ -241,12 +241,12 @@ void show_page_range(unsigned long offset, uint64_t flags)
count = 1;
}
-void show_page(unsigned long offset, uint64_t flags)
+static void show_page(unsigned long offset, uint64_t flags)
{
printf("%lu\t%s\n", offset, page_flag_name(flags));
}
-void show_summary(void)
+static void show_summary(void)
{
int i;
@@ -272,7 +272,7 @@ void show_summary(void)
* page flag filters
*/
-int bit_mask_ok(uint64_t flags)
+static int bit_mask_ok(uint64_t flags)
{
int i;
@@ -289,7 +289,7 @@ int bit_mask_ok(uint64_t flags)
return 1;
}
-uint64_t expand_overloaded_flags(uint64_t flags)
+static uint64_t expand_overloaded_flags(uint64_t flags)
{
/* SLOB/SLUB overload several page flags */
if (flags & BIT(SLAB)) {
@@ -308,7 +308,7 @@ uint64_t expand_overloaded_flags(uint64_t flags)
return flags;
}
-uint64_t well_known_flags(uint64_t flags)
+static uint64_t well_known_flags(uint64_t flags)
{
/* hide flags intended only for kernel hacker */
flags &= ~KPF_HACKERS_BITS;
@@ -325,7 +325,7 @@ uint64_t well_known_flags(uint64_t flags)
* page frame walker
*/
-int hash_slot(uint64_t flags)
+static int hash_slot(uint64_t flags)
{
int k = HASH_KEY(flags);
int i;
@@ -352,7 +352,7 @@ int hash_slot(uint64_t flags)
exit(EXIT_FAILURE);
}
-void add_page(unsigned long offset, uint64_t flags)
+static void add_page(unsigned long offset, uint64_t flags)
{
flags = expand_overloaded_flags(flags);
@@ -371,7 +371,7 @@ void add_page(unsigned long offset, uint64_t flags)
total_pages++;
}
-void walk_pfn(unsigned long index, unsigned long count)
+static void walk_pfn(unsigned long index, unsigned long count)
{
unsigned long batch;
unsigned long n;
@@ -404,7 +404,7 @@ void walk_pfn(unsigned long index, unsigned long count)
}
}
-void walk_addr_ranges(void)
+static void walk_addr_ranges(void)
{
int i;
@@ -428,7 +428,7 @@ void walk_addr_ranges(void)
* user interface
*/
-const char *page_flag_type(uint64_t flag)
+static const char *page_flag_type(uint64_t flag)
{
if (flag & KPF_HACKERS_BITS)
return "(r)";
@@ -437,7 +437,7 @@ const char *page_flag_type(uint64_t flag)
return " ";
}
-void usage(void)
+static void usage(void)
{
int i, j;
@@ -482,7 +482,7 @@ void usage(void)
"(r) raw mode bits (o) overloaded bits\n");
}
-unsigned long long parse_number(const char *str)
+static unsigned long long parse_number(const char *str)
{
unsigned long long n;
@@ -494,16 +494,16 @@ unsigned long long parse_number(const char *str)
return n;
}
-void parse_pid(const char *str)
+static void parse_pid(const char *str)
{
opt_pid = parse_number(str);
}
-void parse_file(const char *name)
+static void parse_file(const char *name)
{
}
-void add_addr_range(unsigned long offset, unsigned long size)
+static void add_addr_range(unsigned long offset, unsigned long size)
{
if (nr_addr_ranges >= MAX_ADDR_RANGES)
fatal("too much addr ranges\n");
@@ -513,7 +513,7 @@ void add_addr_range(unsigned long offset, unsigned long size)
nr_addr_ranges++;
}
-void parse_addr_range(const char *optarg)
+static void parse_addr_range(const char *optarg)
{
unsigned long offset;
unsigned long size;
@@ -547,7 +547,7 @@ void parse_addr_range(const char *optarg)
add_addr_range(offset, size);
}
-void add_bits_filter(uint64_t mask, uint64_t bits)
+static void add_bits_filter(uint64_t mask, uint64_t bits)
{
if (nr_bit_filters >= MAX_BIT_FILTERS)
fatal("too much bit filters\n");
@@ -557,7 +557,7 @@ void add_bits_filter(uint64_t mask, uint64_t bits)
nr_bit_filters++;
}
-uint64_t parse_flag_name(const char *str, int len)
+static uint64_t parse_flag_name(const char *str, int len)
{
int i;
@@ -577,7 +577,7 @@ uint64_t parse_flag_name(const char *str, int len)
return parse_number(str);
}
-uint64_t parse_flag_names(const char *str, int all)
+static uint64_t parse_flag_names(const char *str, int all)
{
const char *p = str;
uint64_t flags = 0;
@@ -596,7 +596,7 @@ uint64_t parse_flag_names(const char *str, int all)
return flags;
}
-void parse_bits_mask(const char *optarg)
+static void parse_bits_mask(const char *optarg)
{
uint64_t mask;
uint64_t bits;
@@ -621,7 +621,7 @@ void parse_bits_mask(const char *optarg)
}
-struct option opts[] = {
+static struct option opts[] = {
{ "raw" , 0, NULL, 'r' },
{ "pid" , 1, NULL, 'p' },
{ "file" , 1, NULL, 'f' },
diff --git a/Documentation/vm/slabinfo.c b/Documentation/vm/slabinfo.c
index df3227605d5..92e729f4b67 100644
--- a/Documentation/vm/slabinfo.c
+++ b/Documentation/vm/slabinfo.c
@@ -87,7 +87,7 @@ int page_size;
regex_t pattern;
-void fatal(const char *x, ...)
+static void fatal(const char *x, ...)
{
va_list ap;
@@ -97,7 +97,7 @@ void fatal(const char *x, ...)
exit(EXIT_FAILURE);
}
-void usage(void)
+static void usage(void)
{
printf("slabinfo 5/7/2007. (c) 2007 sgi.\n\n"
"slabinfo [-ahnpvtsz] [-d debugopts] [slab-regexp]\n"
@@ -131,7 +131,7 @@ void usage(void)
);
}
-unsigned long read_obj(const char *name)
+static unsigned long read_obj(const char *name)
{
FILE *f = fopen(name, "r");
@@ -151,7 +151,7 @@ unsigned long read_obj(const char *name)
/*
* Get the contents of an attribute
*/
-unsigned long get_obj(const char *name)
+static unsigned long get_obj(const char *name)
{
if (!read_obj(name))
return 0;
@@ -159,7 +159,7 @@ unsigned long get_obj(const char *name)
return atol(buffer);
}
-unsigned long get_obj_and_str(const char *name, char **x)
+static unsigned long get_obj_and_str(const char *name, char **x)
{
unsigned long result = 0;
char *p;
@@ -178,7 +178,7 @@ unsigned long get_obj_and_str(const char *name, char **x)
return result;
}
-void set_obj(struct slabinfo *s, const char *name, int n)
+static void set_obj(struct slabinfo *s, const char *name, int n)
{
char x[100];
FILE *f;
@@ -192,7 +192,7 @@ void set_obj(struct slabinfo *s, const char *name, int n)
fclose(f);
}
-unsigned long read_slab_obj(struct slabinfo *s, const char *name)
+static unsigned long read_slab_obj(struct slabinfo *s, const char *name)
{
char x[100];
FILE *f;
@@ -215,7 +215,7 @@ unsigned long read_slab_obj(struct slabinfo *s, const char *name)
/*
* Put a size string together
*/
-int store_size(char *buffer, unsigned long value)
+static int store_size(char *buffer, unsigned long value)
{
unsigned long divisor = 1;
char trailer = 0;
@@ -247,7 +247,7 @@ int store_size(char *buffer, unsigned long value)
return n;
}
-void decode_numa_list(int *numa, char *t)
+static void decode_numa_list(int *numa, char *t)
{
int node;
int nr;
@@ -272,7 +272,7 @@ void decode_numa_list(int *numa, char *t)
}
}
-void slab_validate(struct slabinfo *s)
+static void slab_validate(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
@@ -280,7 +280,7 @@ void slab_validate(struct slabinfo *s)
set_obj(s, "validate", 1);
}
-void slab_shrink(struct slabinfo *s)
+static void slab_shrink(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
@@ -290,7 +290,7 @@ void slab_shrink(struct slabinfo *s)
int line = 0;
-void first_line(void)
+static void first_line(void)
{
if (show_activity)
printf("Name Objects Alloc Free %%Fast Fallb O\n");
@@ -302,7 +302,7 @@ void first_line(void)
/*
* Find the shortest alias of a slab
*/
-struct aliasinfo *find_one_alias(struct slabinfo *find)
+static struct aliasinfo *find_one_alias(struct slabinfo *find)
{
struct aliasinfo *a;
struct aliasinfo *best = NULL;
@@ -318,18 +318,18 @@ struct aliasinfo *find_one_alias(struct slabinfo *find)
return best;
}
-unsigned long slab_size(struct slabinfo *s)
+static unsigned long slab_size(struct slabinfo *s)
{
return s->slabs * (page_size << s->order);
}
-unsigned long slab_activity(struct slabinfo *s)
+static unsigned long slab_activity(struct slabinfo *s)
{
return s->alloc_fastpath + s->free_fastpath +
s->alloc_slowpath + s->free_slowpath;
}
-void slab_numa(struct slabinfo *s, int mode)
+static void slab_numa(struct slabinfo *s, int mode)
{
int node;
@@ -374,7 +374,7 @@ void slab_numa(struct slabinfo *s, int mode)
line++;
}
-void show_tracking(struct slabinfo *s)
+static void show_tracking(struct slabinfo *s)
{
printf("\n%s: Kernel object allocation\n", s->name);
printf("-----------------------------------------------------------------------\n");
@@ -392,7 +392,7 @@ void show_tracking(struct slabinfo *s)
}
-void ops(struct slabinfo *s)
+static void ops(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
@@ -405,14 +405,14 @@ void ops(struct slabinfo *s)
printf("\n%s has no kmem_cache operations\n", s->name);
}
-const char *onoff(int x)
+static const char *onoff(int x)
{
if (x)
return "On ";
return "Off";
}
-void slab_stats(struct slabinfo *s)
+static void slab_stats(struct slabinfo *s)
{
unsigned long total_alloc;
unsigned long total_free;
@@ -477,7 +477,7 @@ void slab_stats(struct slabinfo *s)
s->deactivate_to_tail, (s->deactivate_to_tail * 100) / total);
}
-void report(struct slabinfo *s)
+static void report(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
@@ -518,7 +518,7 @@ void report(struct slabinfo *s)
slab_stats(s);
}
-void slabcache(struct slabinfo *s)
+static void slabcache(struct slabinfo *s)
{
char size_str[20];
char dist_str[40];
@@ -593,7 +593,7 @@ void slabcache(struct slabinfo *s)
/*
* Analyze debug options. Return false if something is amiss.
*/
-int debug_opt_scan(char *opt)
+static int debug_opt_scan(char *opt)
{
if (!opt || !opt[0] || strcmp(opt, "-") == 0)
return 1;
@@ -642,7 +642,7 @@ int debug_opt_scan(char *opt)
return 1;
}
-int slab_empty(struct slabinfo *s)
+static int slab_empty(struct slabinfo *s)
{
if (s->objects > 0)
return 0;
@@ -657,7 +657,7 @@ int slab_empty(struct slabinfo *s)
return 1;
}
-void slab_debug(struct slabinfo *s)
+static void slab_debug(struct slabinfo *s)
{
if (strcmp(s->name, "*") == 0)
return;
@@ -717,7 +717,7 @@ void slab_debug(struct slabinfo *s)
set_obj(s, "trace", 1);
}
-void totals(void)
+static void totals(void)
{
struct slabinfo *s;
@@ -976,7 +976,7 @@ void totals(void)
b1, b2, b3);
}
-void sort_slabs(void)
+static void sort_slabs(void)
{
struct slabinfo *s1,*s2;
@@ -1005,7 +1005,7 @@ void sort_slabs(void)
}
}
-void sort_aliases(void)
+static void sort_aliases(void)
{
struct aliasinfo *a1,*a2;
@@ -1030,7 +1030,7 @@ void sort_aliases(void)
}
}
-void link_slabs(void)
+static void link_slabs(void)
{
struct aliasinfo *a;
struct slabinfo *s;
@@ -1048,7 +1048,7 @@ void link_slabs(void)
}
}
-void alias(void)
+static void alias(void)
{
struct aliasinfo *a;
char *active = NULL;
@@ -1079,7 +1079,7 @@ void alias(void)
}
-void rename_slabs(void)
+static void rename_slabs(void)
{
struct slabinfo *s;
struct aliasinfo *a;
@@ -1102,12 +1102,12 @@ void rename_slabs(void)
}
}
-int slab_mismatch(char *slab)
+static int slab_mismatch(char *slab)
{
return regexec(&pattern, slab, 0, NULL, 0);
}
-void read_slab_dir(void)
+static void read_slab_dir(void)
{
DIR *dir;
struct dirent *de;
@@ -1209,7 +1209,7 @@ void read_slab_dir(void)
fatal("Too many aliases\n");
}
-void output_slabs(void)
+static void output_slabs(void)
{
struct slabinfo *slab;
diff --git a/Documentation/watchdog/src/watchdog-test.c b/Documentation/watchdog/src/watchdog-test.c
index 65f6c19cb86..a750532ffcf 100644
--- a/Documentation/watchdog/src/watchdog-test.c
+++ b/Documentation/watchdog/src/watchdog-test.c
@@ -18,7 +18,7 @@ int fd;
* the PC Watchdog card to reset its internal timer so it doesn't trigger
* a computer reset.
*/
-void keep_alive(void)
+static void keep_alive(void)
{
int dummy;