From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Wed, 17 Jul 2013 14:54:59 +0000 (+0200)
Subject: slub: don't use cpu partial pages on UP
X-Git-Tag: v3.12-rc1~8^2~6
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b39ffbf8b14de2e7c1679462313cf32abb7ef463;p=linux.git

slub: don't use cpu partial pages on UP

cpu partial pages are used to avoid contention which does not exist in
the UP case. So let SLUB_CPU_PARTIAL depend on SMP.

Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---

diff --git a/init/Kconfig b/init/Kconfig
index 247084be0590..63c67de99c10 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1598,7 +1598,7 @@ endchoice
 
 config SLUB_CPU_PARTIAL
 	default y
-	depends on SLUB
+	depends on SLUB && SMP
 	bool "SLUB per cpu partial cache"
 	help
 	  Per cpu partial caches accellerate objects allocation and freeing