Merge branch 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...

[pandora-kernel.git] / fs / proc / proc_misc.c

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 74a323d..c652d46 100644 (file)
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -123,6 +123,11 @@ static int uptime_read_proc(char *page, char **start, off_t off,
        return proc_calc_metrics(page, start, off, count, eof, len);
 }
 
+int __attribute__((weak)) arch_report_meminfo(char *page)
+{
+       return 0;
+}
+
 static int meminfo_read_proc(char *page, char **start, off_t off,
                                 int count, int *eof, void *data)
 {
@@ -139,7 +144,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
 #define K(x) ((x) << (PAGE_SHIFT - 10))
        si_meminfo(&i);
        si_swapinfo(&i);
-       committed = atomic_read(&vm_committed_space);
+       committed = atomic_long_read(&vm_committed_space);
        allowed = ((totalram_pages - hugetlb_total_pages())
                * sysctl_overcommit_ratio / 100) + total_swap_pages;
 
@@ -221,6 +226,8 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
 
                len += hugetlb_report_meminfo(page + len);
 
+       len += arch_report_meminfo(page + len);
+
        return proc_calc_metrics(page, start, off, count, eof, len);
 #undef K
 }
@@ -472,6 +479,13 @@ static const struct file_operations proc_vmalloc_operations = {
 };
 #endif
 
+#ifndef arch_irq_stat_cpu
+#define arch_irq_stat_cpu(cpu) 0
+#endif
+#ifndef arch_irq_stat
+#define arch_irq_stat() 0
+#endif
+
 static int show_stat(struct seq_file *p, void *v)
 {
        int i;
@@ -509,7 +523,9 @@ static int show_stat(struct seq_file *p, void *v)
                        sum += temp;
                        per_irq_sum[j] += temp;
                }
+               sum += arch_irq_stat_cpu(i);
        }
+       sum += arch_irq_stat();
 
        seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
                (unsigned long long)cputime64_to_clock_t(user),
@@ -716,7 +732,7 @@ static ssize_t kpagecount_read(struct file *file, char __user *buf,
        pfn = src / KPMSIZE;
        count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
        if (src & KPMMASK || count & KPMMASK)
-               return -EIO;
+               return -EINVAL;
 
        while (count > 0) {
                ppage = NULL;
@@ -726,7 +742,7 @@ static ssize_t kpagecount_read(struct file *file, char __user *buf,
                if (!ppage)
                        pcount = 0;
                else
-                       pcount = atomic_read(&ppage->_count);
+                       pcount = page_mapcount(ppage);
 
                if (put_user(pcount, out++)) {
                        ret = -EFAULT;
@@ -782,7 +798,7 @@ static ssize_t kpageflags_read(struct file *file, char __user *buf,
        pfn = src / KPMSIZE;
        count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
        if (src & KPMMASK || count & KPMMASK)
-               return -EIO;
+               return -EINVAL;
 
        while (count > 0) {
                ppage = NULL;