From: Andrew Morton <akpm@osdl.org>
Date: Mon, 10 Jul 2006 11:43:50 +0000 (-0700)
Subject: [PATCH] count_vm_events() fix
X-Git-Tag: v2.6.18-rc2~250
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e45b3b6af09dab2a28a7c88b340d0bcdd173e068;p=linux-2.6

[PATCH] count_vm_events() fix

Dopey bug.  Causes hopelessly-wrong numbers from vmstat(8) and several other
counters.

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

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 3e0daf5413..d673b7b15c 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -57,7 +57,7 @@ static inline void __count_vm_events(enum vm_event_item item, long delta)
 
 static inline void count_vm_events(enum vm_event_item item, long delta)
 {
-	get_cpu_var(vm_event_states.event[item])++;
+	get_cpu_var(vm_event_states.event[item]) += delta;
 	put_cpu();
 }