[PATCH] zoned vm counters: conversion of nr_bounce to per zone counter

Conversion of nr_bounce to a per zone counter

nr_bounce is only used for proc output.  So it could be left as an event
counter.  However, the event counters may not be accurate and nr_bounce is
categorizing types of pages in a zone.  So we really need this to also be a
per zone counter.

[akpm@osdl.org: bugfix]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/base/node.c b/drivers/base/node.c
index b73d869c9d4..772eadac57a 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -65,6 +65,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
                        "Node %d AnonPages:    %8lu kB\n"
                        "Node %d PageTables:   %8lu kB\n"
                        "Node %d NFS Unstable: %8lu kB\n"
+                       "Node %d Bounce:       %8lu kB\n"
                        "Node %d Slab:         %8lu kB\n",
                        nid, K(i.totalram),
                        nid, K(i.freeram),
@@ -82,6 +83,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
                        nid, K(node_page_state(nid, NR_ANON_PAGES)),
                        nid, K(node_page_state(nid, NR_PAGETABLE)),
                        nid, K(node_page_state(nid, NR_UNSTABLE_NFS)),
+                       nid, K(node_page_state(nid, NR_BOUNCE)),
                        nid, K(node_page_state(nid, NR_SLAB)));
         n += hugetlb_report_node_meminfo(nid, buf + n);
         return n;