[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>

2 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index e9d80697f555..2dbeec1d2874 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -56,6 +56,7 @@ enum zone_stat_item {
         NR_FILE_DIRTY,
         NR_WRITEBACK,
         NR_UNSTABLE_NFS,        /* NFS unstable pages */
+        NR_BOUNCE,
         NR_VM_ZONE_STAT_ITEMS };
 
 struct per_cpu_pages {
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 9de2a41c885c..5b5b96afc395 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -67,7 +67,6 @@ struct page_state {
         unsigned long allocstall;       /* direct reclaim calls */
 
         unsigned long pgrotated;        /* pages rotated to tail of the LRU */
-        unsigned long nr_bounce;        /* pages for bounce buffers */
 };
 
 extern void get_full_page_state(struct page_state *ret);