6 files changed, 29 insertions, 84 deletions

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 0d6eb33597c6..71c9be59c9c2 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -337,65 +337,6 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
         return 0;
 }
 
-/*
- * Use precise platform statistics if available:
- */
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
-static cputime_t task_utime(struct task_struct *p)
-{
-        return p->utime;
-}
-
-static cputime_t task_stime(struct task_struct *p)
-{
-        return p->stime;
-}
-#else
-static cputime_t task_utime(struct task_struct *p)
-{
-        clock_t utime = cputime_to_clock_t(p->utime),
-                total = utime + cputime_to_clock_t(p->stime);
-        u64 temp;
-
-        /*
-         * Use CFS's precise accounting:
-         */
-        temp = (u64)nsec_to_clock_t(p->se.sum_exec_runtime);
-
-        if (total) {
-                temp *= utime;
-                do_div(temp, total);
-        }
-        utime = (clock_t)temp;
-
-        p->prev_utime = max(p->prev_utime, clock_t_to_cputime(utime));
-        return p->prev_utime;
-}
-
-static cputime_t task_stime(struct task_struct *p)
-{
-        clock_t stime;
-
-        /*
-         * Use CFS's precise accounting. (we subtract utime from
-         * the total, to make sure the total observed by userspace
-         * grows monotonically - apps rely on that):
-         */
-        stime = nsec_to_clock_t(p->se.sum_exec_runtime) -
-                        cputime_to_clock_t(task_utime(p));
-
-        if (stime >= 0)
-                p->prev_stime = max(p->prev_stime, clock_t_to_cputime(stime));
-
-        return p->prev_stime;
-}
-#endif
-
-static cputime_t task_gtime(struct task_struct *p)
-{
-        return p->gtime;
-}
-
 static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
                         struct pid *pid, struct task_struct *task, int whole)
 {
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 01ed610f9b87..a28840b11b89 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2423,10 +2423,13 @@ static int do_io_accounting(struct task_struct *task, char *buffer, int whole)
                         "read_bytes: %llu\n"
                         "write_bytes: %llu\n"
                         "cancelled_write_bytes: %llu\n",
-                        acct.rchar, acct.wchar,
-                        acct.syscr, acct.syscw,
-                        acct.read_bytes, acct.write_bytes,
-                        acct.cancelled_write_bytes);
+                        (unsigned long long)acct.rchar,
+                        (unsigned long long)acct.wchar,
+                        (unsigned long long)acct.syscr,
+                        (unsigned long long)acct.syscw,
+                        (unsigned long long)acct.read_bytes,
+                        (unsigned long long)acct.write_bytes,
+                        (unsigned long long)acct.cancelled_write_bytes);
 }
 
 static int proc_tid_io_accounting(struct task_struct *task, char *buffer)
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index cb4096cc3fb7..bca0f81eb687 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -300,10 +300,10 @@ out:
         return rtn;
 }
 
-static DEFINE_IDR(proc_inum_idr);
+static DEFINE_IDA(proc_inum_ida);
 static DEFINE_SPINLOCK(proc_inum_lock); /* protects the above */
 
-#define PROC_DYNAMIC_FIRST 0xF0000000UL
+#define PROC_DYNAMIC_FIRST 0xF0000000U
 
 /*
  * Return an inode number between PROC_DYNAMIC_FIRST and
@@ -311,36 +311,34 @@ static DEFINE_SPINLOCK(proc_inum_lock); /* protects the above */
  */
 static unsigned int get_inode_number(void)
 {
-        int i, inum = 0;
+        unsigned int i;
         int error;
 
 retry:
-        if (idr_pre_get(&proc_inum_idr, GFP_KERNEL) == 0)
+        if (ida_pre_get(&proc_inum_ida, GFP_KERNEL) == 0)
                 return 0;
 
         spin_lock(&proc_inum_lock);
-        error = idr_get_new(&proc_inum_idr, NULL, &i);
+        error = ida_get_new(&proc_inum_ida, &i);
         spin_unlock(&proc_inum_lock);
         if (error == -EAGAIN)
                 goto retry;
         else if (error)
                 return 0;
 
-        inum = (i & MAX_ID_MASK) + PROC_DYNAMIC_FIRST;
-
-        /* inum will never be more than 0xf0ffffff, so no check
-         * for overflow.
-         */
-
-        return inum;
+        if (i > UINT_MAX - PROC_DYNAMIC_FIRST) {
+                spin_lock(&proc_inum_lock);
+                ida_remove(&proc_inum_ida, i);
+                spin_unlock(&proc_inum_lock);
+                return 0;
+        }
+        return PROC_DYNAMIC_FIRST + i;
 }
 
 static void release_inode_number(unsigned int inum)
 {
-        int id = (inum - PROC_DYNAMIC_FIRST) | ~MAX_ID_MASK;
-
         spin_lock(&proc_inum_lock);
-        idr_remove(&proc_inum_idr, id);
+        ida_remove(&proc_inum_ida, inum - PROC_DYNAMIC_FIRST);
         spin_unlock(&proc_inum_lock);
 }
 
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index 79ecd281d2cb..3f87d2632947 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -52,14 +52,14 @@ int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma)
         }
 
         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,
+                   ((loff_t)vma->vm_pgoff) << PAGE_SHIFT,
                    MAJOR(dev), MINOR(dev), ino, &len);
 
         if (file) {
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index ded969862960..00f10a2dcf12 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -24,6 +24,7 @@
 #include <linux/tty.h>
 #include <linux/string.h>
 #include <linux/mman.h>
+#include <linux/quicklist.h>
 #include <linux/proc_fs.h>
 #include <linux/ioport.h>
 #include <linux/mm.h>
@@ -189,7 +190,8 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
                 "Committed_AS: %8lu kB\n"
                 "VmallocTotal: %8lu kB\n"
                 "VmallocUsed:  %8lu kB\n"
-                "VmallocChunk: %8lu kB\n",
+                "VmallocChunk: %8lu kB\n"
+                "Quicklists:   %8lu kB\n",
                 K(i.totalram),
                 K(i.freeram),
                 K(i.bufferram),
@@ -221,7 +223,8 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
                 K(committed),
                 (unsigned long)VMALLOC_TOTAL >> 10,
                 vmi.used >> 10,
-                vmi.largest_chunk >> 10
+                vmi.largest_chunk >> 10,
+                K(quicklist_total_size())
                 );
 
                 len += hugetlb_report_meminfo(page + len);
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 7546a918f790..73d1891ee625 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -219,14 +219,14 @@ static int show_map(struct seq_file *m, void *v)
                 ino = inode->i_ino;
         }
 
-        seq_printf(m, "%08lx-%08lx %c%c%c%c %08lx %02x:%02x %lu %n",
+        seq_printf(m, "%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 ? 's' : 'p',
-                        vma->vm_pgoff << PAGE_SHIFT,
+                        ((loff_t)vma->vm_pgoff) << PAGE_SHIFT,
                         MAJOR(dev), MINOR(dev), ino, &len);
 
         /*