Merge tag 'for-linus' of git://github.com/openrisc/linux

[sfrench/cifs-2.6.git] / Documentation / admin-guide / mm / idle_page_tracking.rst

diff --git a/Documentation/admin-guide/mm/idle_page_tracking.rst b/Documentation/admin-guide/mm/idle_page_tracking.rst
index 6f7b7ca1add3b915bce58dcafc2e83d7186055cb..df9394fb39c2a1f7afb96c8d2825a21e41f08f21 100644 (file)
--- a/Documentation/admin-guide/mm/idle_page_tracking.rst
+++ b/Documentation/admin-guide/mm/idle_page_tracking.rst
@@ -65,6 +65,11 @@ workload one should:
     are not reclaimable, he or she can filter them out using
     ``/proc/kpageflags``.
 
+The page-types tool in the tools/vm directory can be used to assist in this.
+If the tool is run initially with the appropriate option, it will mark all the
+queried pages as idle.  Subsequent runs of the tool can then show which pages have
+their idle flag cleared in the interim.
+
 See :ref:`Documentation/admin-guide/mm/pagemap.rst <pagemap>` for more
 information about ``/proc/pid/pagemap``, ``/proc/kpageflags``, and
 ``/proc/kpagecgroup``.