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-rw-r--r--fs/proc/base.c5
-rw-r--r--fs/proc/meminfo.c4
-rw-r--r--fs/proc/nommu.c2
-rw-r--r--fs/proc/stat.c5
-rw-r--r--fs/proc/task_mmu.c8
-rw-r--r--fs/proc/task_nommu.c9
6 files changed, 24 insertions, 9 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index e0afd326b688..aa763ab00777 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -80,6 +80,7 @@
#include <linux/oom.h>
#include <linux/elf.h>
#include <linux/pid_namespace.h>
+#include <linux/fs_struct.h>
#include "internal.h"
/* NOTE:
@@ -647,14 +648,14 @@ static unsigned mounts_poll(struct file *file, poll_table *wait)
{
struct proc_mounts *p = file->private_data;
struct mnt_namespace *ns = p->ns;
- unsigned res = 0;
+ unsigned res = POLLIN | POLLRDNORM;
poll_wait(file, &ns->poll, wait);
spin_lock(&vfsmount_lock);
if (p->event != ns->event) {
p->event = ns->event;
- res = POLLERR;
+ res |= POLLERR | POLLPRI;
}
spin_unlock(&vfsmount_lock);
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 43d23948384a..c6b0302af4c4 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -35,7 +35,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
#define K(x) ((x) << (PAGE_SHIFT - 10))
si_meminfo(&i);
si_swapinfo(&i);
- committed = atomic_long_read(&vm_committed_space);
+ committed = percpu_counter_read_positive(&vm_committed_as);
allowed = ((totalram_pages - hugetlb_total_pages())
* sysctl_overcommit_ratio / 100) + total_swap_pages;
@@ -120,7 +120,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
K(i.freeram-i.freehigh),
#endif
#ifndef CONFIG_MMU
- K((unsigned long) atomic_read(&mmap_pages_allocated)),
+ K((unsigned long) atomic_long_read(&mmap_pages_allocated)),
#endif
K(i.totalswap),
K(i.freeswap),
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index b446d7ad0b0d..7e14d1a04001 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -76,7 +76,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
/*
* display a list of all the REGIONs the kernel knows about
- * - nommu kernals have a single flat list
+ * - nommu kernels have a single flat list
*/
static int nommu_region_list_show(struct seq_file *m, void *_p)
{
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index f75efa22df5e..81e4eb60972e 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -18,6 +18,9 @@
#ifndef arch_irq_stat
#define arch_irq_stat() 0
#endif
+#ifndef arch_idle_time
+#define arch_idle_time(cpu) 0
+#endif
static int show_stat(struct seq_file *p, void *v)
{
@@ -40,6 +43,7 @@ static int show_stat(struct seq_file *p, void *v)
nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
system = cputime64_add(system, kstat_cpu(i).cpustat.system);
idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
+ idle = cputime64_add(idle, arch_idle_time(i));
iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
@@ -69,6 +73,7 @@ static int show_stat(struct seq_file *p, void *v)
nice = kstat_cpu(i).cpustat.nice;
system = kstat_cpu(i).cpustat.system;
idle = kstat_cpu(i).cpustat.idle;
+ idle = cputime64_add(idle, arch_idle_time(i));
iowait = kstat_cpu(i).cpustat.iowait;
irq = kstat_cpu(i).cpustat.irq;
softirq = kstat_cpu(i).cpustat.softirq;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index b0ae0be4801f..6f61b7cc32e0 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -204,6 +204,7 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
struct file *file = vma->vm_file;
int flags = vma->vm_flags;
unsigned long ino = 0;
+ unsigned long long pgoff = 0;
dev_t dev = 0;
int len;
@@ -211,6 +212,7 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
dev = inode->i_sb->s_dev;
ino = inode->i_ino;
+ pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT;
}
seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
@@ -220,7 +222,7 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
flags & VM_WRITE ? 'w' : '-',
flags & VM_EXEC ? 'x' : '-',
flags & VM_MAYSHARE ? 's' : 'p',
- ((loff_t)vma->vm_pgoff) << PAGE_SHIFT,
+ pgoff,
MAJOR(dev), MINOR(dev), ino, &len);
/*
@@ -663,6 +665,10 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
goto out_task;
ret = 0;
+
+ if (!count)
+ goto out_task;
+
mm = get_task_mm(task);
if (!mm)
goto out_task;
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 343ea1216bc8..64a72e2e7650 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -2,6 +2,7 @@
#include <linux/mm.h>
#include <linux/file.h>
#include <linux/fdtable.h>
+#include <linux/fs_struct.h>
#include <linux/mount.h>
#include <linux/ptrace.h>
#include <linux/seq_file.h>
@@ -49,7 +50,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
else
bytes += kobjsize(mm);
- if (current->fs && atomic_read(&current->fs->count) > 1)
+ if (current->fs && current->fs->users > 1)
sbytes += kobjsize(current->fs);
else
bytes += kobjsize(current->fs);
@@ -125,6 +126,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma)
struct file *file;
dev_t dev = 0;
int flags, len;
+ unsigned long long pgoff = 0;
flags = vma->vm_flags;
file = vma->vm_file;
@@ -133,17 +135,18 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma)
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
dev = inode->i_sb->s_dev;
ino = inode->i_ino;
+ pgoff = (loff_t)vma->vm_pgoff << PAGE_SHIFT;
}
seq_printf(m,
- "%08lx-%08lx %c%c%c%c %08lx %02x:%02x %lu %n",
+ "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
vma->vm_start,
vma->vm_end,
flags & VM_READ ? 'r' : '-',
flags & VM_WRITE ? 'w' : '-',
flags & VM_EXEC ? 'x' : '-',
flags & VM_MAYSHARE ? flags & VM_SHARED ? 'S' : 's' : 'p',
- vma->vm_pgoff << PAGE_SHIFT,
+ pgoff,
MAJOR(dev), MINOR(dev), ino, &len);
if (file) {
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