1 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index 215e5e3dda10..e2772666f004 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -4,6 +4,7 @@
 #include <linux/sched.h>
 #include <linux/bug.h>
 #include <linux/mm.h>
+#include <linux/workqueue.h>
 #include <linux/threads.h>
 #include <linux/nsproxy.h>
 #include <linux/kref.h>
@@ -13,7 +14,9 @@ struct pidmap {
        void *page;
 };
 
-#define PIDMAP_ENTRIES         ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8)
+#define BITS_PER_PAGE           (PAGE_SIZE * 8)
+#define BITS_PER_PAGE_MASK      (BITS_PER_PAGE-1)
+#define PIDMAP_ENTRIES          ((PID_MAX_LIMIT+BITS_PER_PAGE-1)/BITS_PER_PAGE)
 
 struct bsd_acct_struct;
 
@@ -28,6 +31,7 @@ struct pid_namespace {
         struct pid_namespace *parent;
 #ifdef CONFIG_PROC_FS
         struct vfsmount *proc_mnt;
+        struct dentry *proc_self;
 #endif
 #ifdef CONFIG_BSD_PROCESS_ACCT
         struct bsd_acct_struct *bacct;