fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / linux / threads.h

diff --git a/include/linux/threads.h b/include/linux/threads.h
index b59738a..38d1a5d 100644 (file)
--- a/include/linux/threads.h
+++ b/include/linux/threads.h
@@ -1,7 +1,6 @@
 #ifndef _LINUX_THREADS_H
 #define _LINUX_THREADS_H
 
-#include <linux/config.h>
 
 /*
  * The default limit for the nr of threads is now in
@@ -28,7 +27,8 @@
 #define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000)
 
 /*
- * A maximum of 4 million PIDs should be enough for a while:
+ * A maximum of 4 million PIDs should be enough for a while.
+ * [NOTE: PID/TIDs are limited to 2^29 ~= 500+ million, see futex.h.]
  */
 #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \
        (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT))