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Message-Id: <1420801555-22659-4-git-send-email-mhocko@suse.cz>
Date: Fri, 9 Jan 2015 12:05:53 +0100
From: Michal Hocko <mhocko@...e.cz>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Tejun Heo <tj@...nel.org>,
"\\\"Rafael J. Wysocki\\\"" <rjw@...ysocki.net>,
David Rientjes <rientjes@...gle.com>,
Johannes Weiner <hannes@...xchg.org>,
Oleg Nesterov <oleg@...hat.com>,
Cong Wang <xiyou.wangcong@...il.com>, <linux-mm@...ck.org>,
LKML <linux-kernel@...r.kernel.org>, linux-pm@...r.kernel.org
Subject: [PATCH -v3 3/5] PM: convert printk to pr_* equivalent
While touching this area let's convert printk to pr_*. This also makes
the printing of continuation lines done properly.
Signed-off-by: Michal Hocko <mhocko@...e.cz>
Acked-by: Tejun Heo <tj@...nel.org>
---
kernel/power/process.c | 29 +++++++++++++++--------------
1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 5a6ec8678b9a..3ac45f192e9f 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -84,8 +84,8 @@ static int try_to_freeze_tasks(bool user_only)
elapsed_msecs = elapsed_msecs64;
if (todo) {
- printk("\n");
- printk(KERN_ERR "Freezing of tasks %s after %d.%03d seconds "
+ pr_cont("\n");
+ pr_err("Freezing of tasks %s after %d.%03d seconds "
"(%d tasks refusing to freeze, wq_busy=%d):\n",
wakeup ? "aborted" : "failed",
elapsed_msecs / 1000, elapsed_msecs % 1000,
@@ -101,7 +101,7 @@ static int try_to_freeze_tasks(bool user_only)
read_unlock(&tasklist_lock);
}
} else {
- printk("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000,
+ pr_cont("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000,
elapsed_msecs % 1000);
}
@@ -155,7 +155,7 @@ int freeze_processes(void)
atomic_inc(&system_freezing_cnt);
pm_wakeup_clear();
- printk("Freezing user space processes ... ");
+ pr_info("Freezing user space processes ... ");
pm_freezing = true;
oom_kills_saved = oom_kills_count();
error = try_to_freeze_tasks(true);
@@ -171,13 +171,13 @@ int freeze_processes(void)
if (oom_kills_count() != oom_kills_saved &&
!check_frozen_processes()) {
__usermodehelper_set_disable_depth(UMH_ENABLED);
- printk("OOM in progress.");
+ pr_cont("OOM in progress.");
error = -EBUSY;
} else {
- printk("done.");
+ pr_cont("done.");
}
}
- printk("\n");
+ pr_cont("\n");
BUG_ON(in_atomic());
if (error)
@@ -197,13 +197,14 @@ int freeze_kernel_threads(void)
{
int error;
- printk("Freezing remaining freezable tasks ... ");
+ pr_info("Freezing remaining freezable tasks ... ");
+
pm_nosig_freezing = true;
error = try_to_freeze_tasks(false);
if (!error)
- printk("done.");
+ pr_cont("done.");
- printk("\n");
+ pr_cont("\n");
BUG_ON(in_atomic());
if (error)
@@ -224,7 +225,7 @@ void thaw_processes(void)
oom_killer_enable();
- printk("Restarting tasks ... ");
+ pr_info("Restarting tasks ... ");
__usermodehelper_set_disable_depth(UMH_FREEZING);
thaw_workqueues();
@@ -243,7 +244,7 @@ void thaw_processes(void)
usermodehelper_enable();
schedule();
- printk("done.\n");
+ pr_cont("done.\n");
trace_suspend_resume(TPS("thaw_processes"), 0, false);
}
@@ -252,7 +253,7 @@ void thaw_kernel_threads(void)
struct task_struct *g, *p;
pm_nosig_freezing = false;
- printk("Restarting kernel threads ... ");
+ pr_info("Restarting kernel threads ... ");
thaw_workqueues();
@@ -264,5 +265,5 @@ void thaw_kernel_threads(void)
read_unlock(&tasklist_lock);
schedule();
- printk("done.\n");
+ pr_cont("done.\n");
}
--
2.1.4
--
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