[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/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index eae66b41a1a4..6aa2aa779a09 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -171,6 +171,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
                 "Slab:         %8lu kB\n"
                 "PageTables:   %8lu kB\n"
                 "NFS Unstable: %8lu kB\n"
+                "Bounce:       %8lu kB\n"
                 "CommitLimit:  %8lu kB\n"
                 "Committed_AS: %8lu kB\n"
                 "VmallocTotal: %8lu kB\n"
@@ -196,6 +197,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
                 K(global_page_state(NR_SLAB)),
                 K(global_page_state(NR_PAGETABLE)),
                 K(global_page_state(NR_UNSTABLE_NFS)),
+                K(global_page_state(NR_BOUNCE)),
                 K(allowed),
                 K(committed),
                 (unsigned long)VMALLOC_TOTAL >> 10,