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Subject[PATCH 3/6] Suspend: Use common prefix in messages
Date
From: Rafael J. Wysocki <rjw@sisk.pl>

Make suspend messages start with one common prefix "PM: ".

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
kernel/power/main.c | 19 ++++++++++---------
kernel/power/power.h | 2 ++
2 files changed, 12 insertions(+), 9 deletions(-)
Index: linux-2.6/kernel/power/main.c
===================================================================
--- linux-2.6.orig/kernel/power/main.c
+++ linux-2.6/kernel/power/main.c
@@ -183,11 +183,11 @@ static int suspend_prepare(void)

free_pages = global_page_state(NR_FREE_PAGES);
if (free_pages < FREE_PAGE_NUMBER) {
- pr_debug("PM: free some memory\n");
+ pr_debug(PREFIX "Free some memory\n");
shrink_all_memory(FREE_PAGE_NUMBER - free_pages);
if (nr_free_pages() < FREE_PAGE_NUMBER) {
error = -ENOMEM;
- printk(KERN_ERR "PM: No enough memory\n");
+ printk(KERN_ERR PREFIX "No enough memory\n");
}
}
if (!error)
@@ -227,7 +227,7 @@ static int suspend_enter(suspend_state_t
BUG_ON(!irqs_disabled());

if ((error = device_power_down(PMSG_SUSPEND))) {
- printk(KERN_ERR "Some devices failed to power down\n");
+ printk(KERN_ERR PREFIX "Some devices failed to power down\n");
goto Done;
}

@@ -261,7 +261,7 @@ int suspend_devices_and_enter(suspend_st
suspend_console();
error = device_suspend(PMSG_SUSPEND);
if (error) {
- printk(KERN_ERR "Some devices failed to suspend\n");
+ printk(KERN_ERR PREFIX "Some devices failed to suspend\n");
goto Resume_console;
}

@@ -344,11 +344,12 @@ static int enter_state(suspend_state_t s
if (!mutex_trylock(&pm_mutex))
return -EBUSY;

- printk("Syncing filesystems ... ");
+ printk(KERN_INFO PREFIX "Syncing filesystems ... ");
sys_sync();
- printk("done.\n");
+ printk(KERN_INFO "done.\n");

- pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]);
+ pr_debug(PREFIX "Preparing system to enter %s sleep state\n",
+ pm_states[state]);
error = suspend_prepare();
if (error)
goto Unlock;
@@ -356,11 +357,11 @@ static int enter_state(suspend_state_t s
if (suspend_test(TEST_FREEZER))
goto Finish;

- pr_debug("PM: Entering %s sleep\n", pm_states[state]);
+ pr_debug(PREFIX "Entering %s sleep state\n", pm_states[state]);
error = suspend_devices_and_enter(state);

Finish:
- pr_debug("PM: Finishing wakeup.\n");
+ pr_debug(PREFIX "Finishing wakeup.\n");
suspend_finish();
Unlock:
mutex_unlock(&pm_mutex);
Index: linux-2.6/kernel/power/power.h
===================================================================
--- linux-2.6.orig/kernel/power/power.h
+++ linux-2.6/kernel/power/power.h
@@ -2,6 +2,8 @@
#include <linux/suspend_ioctls.h>
#include <linux/utsname.h>

+#define PREFIX "PM: "
+
struct swsusp_info {
struct new_utsname uts;
u32 version_code;
-
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