From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Date: Fri, 12 Apr 2013 01:31:21 +0000 (+0800)
Subject: staging: ramster: decrease foregin pers pages when count < 0
X-Git-Tag: v3.12-rc1~1000^2~68
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c067ad112427440ee0dc79cfc98435abce3bc178;p=kernel%2Fkernel-generic.git

staging: ramster: decrease foregin pers pages when count < 0

commit 9a5c59687ad ("staging: ramster: Provide accessory functions for
counter decrease") forget decrease foregin pers pages, this patch fix
it.

Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/zcache/ramster/ramster.c b/drivers/staging/zcache/ramster/ramster.c
index c3d7f96..444189e 100644
--- a/drivers/staging/zcache/ramster/ramster.c
+++ b/drivers/staging/zcache/ramster/ramster.c
@@ -508,6 +508,7 @@ void ramster_count_foreign_pages(bool eph, int count)
 		if (count > 0) {
 			inc_ramster_foreign_pers_pages();
 		} else {
+			dec_ramster_foreign_pers_pages();
 			WARN_ON_ONCE(ramster_foreign_pers_pages < 0);
 		}
 	}