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Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/node.c24
-rw-r--r--drivers/base/power/resume.c8
-rw-r--r--drivers/base/power/runtime.c8
-rw-r--r--drivers/base/power/suspend.c12
-rw-r--r--drivers/base/power/sysfs.c8
5 files changed, 40 insertions, 20 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 904b27caf69..16c513aa4d4 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -39,13 +39,25 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
int n;
int nid = dev->id;
struct sysinfo i;
+ struct page_state ps;
unsigned long inactive;
unsigned long active;
unsigned long free;
si_meminfo_node(&i, nid);
+ get_page_state_node(&ps, nid);
__get_zone_counts(&active, &inactive, &free, NODE_DATA(nid));
+ /* Check for negative values in these approximate counters */
+ if ((long)ps.nr_dirty < 0)
+ ps.nr_dirty = 0;
+ if ((long)ps.nr_writeback < 0)
+ ps.nr_writeback = 0;
+ if ((long)ps.nr_mapped < 0)
+ ps.nr_mapped = 0;
+ if ((long)ps.nr_slab < 0)
+ ps.nr_slab = 0;
+
n = sprintf(buf, "\n"
"Node %d MemTotal: %8lu kB\n"
"Node %d MemFree: %8lu kB\n"
@@ -55,7 +67,11 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
"Node %d HighTotal: %8lu kB\n"
"Node %d HighFree: %8lu kB\n"
"Node %d LowTotal: %8lu kB\n"
- "Node %d LowFree: %8lu kB\n",
+ "Node %d LowFree: %8lu kB\n"
+ "Node %d Dirty: %8lu kB\n"
+ "Node %d Writeback: %8lu kB\n"
+ "Node %d Mapped: %8lu kB\n"
+ "Node %d Slab: %8lu kB\n",
nid, K(i.totalram),
nid, K(i.freeram),
nid, K(i.totalram - i.freeram),
@@ -64,7 +80,11 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
nid, K(i.totalhigh),
nid, K(i.freehigh),
nid, K(i.totalram - i.totalhigh),
- nid, K(i.freeram - i.freehigh));
+ nid, K(i.freeram - i.freehigh),
+ nid, K(ps.nr_dirty),
+ nid, K(ps.nr_writeback),
+ nid, K(ps.nr_mapped),
+ nid, K(ps.nr_slab));
n += hugetlb_report_node_meminfo(nid, buf + n);
return n;
}
diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c
index bdd96b03b88..0a7aa07b9a2 100644
--- a/drivers/base/power/resume.c
+++ b/drivers/base/power/resume.c
@@ -26,11 +26,11 @@ int resume_device(struct device * dev)
down(&dev->sem);
if (dev->power.pm_parent
- && dev->power.pm_parent->power.power_state) {
+ && dev->power.pm_parent->power.power_state.event) {
dev_err(dev, "PM: resume from %d, parent %s still %d\n",
- dev->power.power_state,
+ dev->power.power_state.event,
dev->power.pm_parent->bus_id,
- dev->power.pm_parent->power.power_state);
+ dev->power.pm_parent->power.power_state.event);
}
if (dev->bus && dev->bus->resume) {
dev_dbg(dev,"resuming\n");
@@ -54,7 +54,7 @@ void dpm_resume(void)
list_add_tail(entry, &dpm_active);
up(&dpm_list_sem);
- if (!dev->power.prev_state)
+ if (!dev->power.prev_state.event)
resume_device(dev);
down(&dpm_list_sem);
put_device(dev);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 325962d8019..e8f0519f5df 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -13,10 +13,10 @@
static void runtime_resume(struct device * dev)
{
dev_dbg(dev, "resuming\n");
- if (!dev->power.power_state)
+ if (!dev->power.power_state.event)
return;
if (!resume_device(dev))
- dev->power.power_state = 0;
+ dev->power.power_state = PMSG_ON;
}
@@ -49,10 +49,10 @@ int dpm_runtime_suspend(struct device * dev, pm_message_t state)
int error = 0;
down(&dpm_sem);
- if (dev->power.power_state == state)
+ if (dev->power.power_state.event == state.event)
goto Done;
- if (dev->power.power_state)
+ if (dev->power.power_state.event)
runtime_resume(dev);
if (!(error = suspend_device(dev, state)))
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c
index 2ccee3763ac..50501764d05 100644
--- a/drivers/base/power/suspend.c
+++ b/drivers/base/power/suspend.c
@@ -40,22 +40,22 @@ int suspend_device(struct device * dev, pm_message_t state)
int error = 0;
down(&dev->sem);
- if (dev->power.power_state) {
+ if (dev->power.power_state.event) {
dev_dbg(dev, "PM: suspend %d-->%d\n",
- dev->power.power_state, state);
+ dev->power.power_state.event, state.event);
}
if (dev->power.pm_parent
- && dev->power.pm_parent->power.power_state) {
+ && dev->power.pm_parent->power.power_state.event) {
dev_err(dev,
"PM: suspend %d->%d, parent %s already %d\n",
- dev->power.power_state, state,
+ dev->power.power_state.event, state.event,
dev->power.pm_parent->bus_id,
- dev->power.pm_parent->power.power_state);
+ dev->power.pm_parent->power.power_state.event);
}
dev->power.prev_state = dev->power.power_state;
- if (dev->bus && dev->bus->suspend && !dev->power.power_state) {
+ if (dev->bus && dev->bus->suspend && !dev->power.power_state.event) {
dev_dbg(dev, "suspending\n");
error = dev->bus->suspend(dev, state);
}
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index f82b3df9545..8d04fb435c1 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -26,19 +26,19 @@
static ssize_t state_show(struct device * dev, struct device_attribute *attr, char * buf)
{
- return sprintf(buf, "%u\n", dev->power.power_state);
+ return sprintf(buf, "%u\n", dev->power.power_state.event);
}
static ssize_t state_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t n)
{
- u32 state;
+ pm_message_t state;
char * rest;
int error = 0;
- state = simple_strtoul(buf, &rest, 10);
+ state.event = simple_strtoul(buf, &rest, 10);
if (*rest)
return -EINVAL;
- if (state)
+ if (state.event)
error = dpm_runtime_suspend(dev, state);
else
dpm_runtime_resume(dev);