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authorTom Rix <trix@redhat.com>2023-03-12 17:46:45 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-04-08 22:45:37 +0200
commit882c5b261f404ebdfe69dcc055bfffc39f80c5a6 (patch)
treee90ff9a30630852dbb71945b4a96bb52a9c3472d /kernel/hung_task.c
parentMAINTAINERS: remove the obsolete section EMBEDDED LINUX (diff)
downloadlinux-882c5b261f404ebdfe69dcc055bfffc39f80c5a6.tar.xz
linux-882c5b261f404ebdfe69dcc055bfffc39f80c5a6.zip
kernel/hung_task.c: set some hung_task.c variables storage-class-specifier to static
smatch reports several warnings kernel/hung_task.c:31:19: warning: symbol 'sysctl_hung_task_check_count' was not declared. Should it be static? kernel/hung_task.c:50:29: warning: symbol 'sysctl_hung_task_check_interval_secs' was not declared. Should it be static? kernel/hung_task.c:52:19: warning: symbol 'sysctl_hung_task_warnings' was not declared. Should it be static? kernel/hung_task.c:75:28: warning: symbol 'sysctl_hung_task_panic' was not declared. Should it be static? These variables are only used in hung_task.c, so they should be static Link: https://lkml.kernel.org/r/20230312164645.471259-1-trix@redhat.com Signed-off-by: Tom Rix <trix@redhat.com> Cc: Ben Dooks <ben.dooks@sifive.com> Cc: fuyuanli <fuyuanli@didiglobal.com> Cc: John Ogness <john.ogness@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Petr Mladek <pmladek@suse.com> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel/hung_task.c')
-rw-r--r--kernel/hung_task.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 322813366c6c..9a24574988d2 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -28,7 +28,7 @@
/*
* The number of tasks checked:
*/
-int __read_mostly sysctl_hung_task_check_count = PID_MAX_LIMIT;
+static int __read_mostly sysctl_hung_task_check_count = PID_MAX_LIMIT;
/*
* Limit number of tasks checked in a batch.
@@ -47,9 +47,9 @@ unsigned long __read_mostly sysctl_hung_task_timeout_secs = CONFIG_DEFAULT_HUNG_
/*
* Zero (default value) means use sysctl_hung_task_timeout_secs:
*/
-unsigned long __read_mostly sysctl_hung_task_check_interval_secs;
+static unsigned long __read_mostly sysctl_hung_task_check_interval_secs;
-int __read_mostly sysctl_hung_task_warnings = 10;
+static int __read_mostly sysctl_hung_task_warnings = 10;
static int __read_mostly did_panic;
static bool hung_task_show_lock;
@@ -72,8 +72,8 @@ static unsigned int __read_mostly sysctl_hung_task_all_cpu_backtrace;
* Should we panic (and reboot, if panic_timeout= is set) when a
* hung task is detected:
*/
-unsigned int __read_mostly sysctl_hung_task_panic =
- IS_ENABLED(CONFIG_BOOTPARAM_HUNG_TASK_PANIC);
+static unsigned int __read_mostly sysctl_hung_task_panic =
+ IS_ENABLED(CONFIG_BOOTPARAM_HUNG_TASK_PANIC);
static int
hung_task_panic(struct notifier_block *this, unsigned long event, void *ptr)