deconfig: msm8610: Reduce default CMA region to 4MB

Reduce the size of CMA region from 16MB to 4MB to
allow for more unmovable pages in the system which
will help in low-memory conditions.

Change-Id: Id3caefc9e75c2423b08a179534f073e4742abda9
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
diff --git a/arch/arm/configs/msm8610-perf_defconfig b/arch/arm/configs/msm8610-perf_defconfig
index 84dee5d..644c747 100644
--- a/arch/arm/configs/msm8610-perf_defconfig
+++ b/arch/arm/configs/msm8610-perf_defconfig
@@ -212,6 +212,7 @@
 CONFIG_CFG80211=y
 CONFIG_NL80211_TESTMODE=y
 CONFIG_CMA=y
+CONFIG_CMA_SIZE_MBYTES=4
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_QSEECOM=y
diff --git a/arch/arm/configs/msm8610_defconfig b/arch/arm/configs/msm8610_defconfig
index e094a23..17e9ebd 100644
--- a/arch/arm/configs/msm8610_defconfig
+++ b/arch/arm/configs/msm8610_defconfig
@@ -214,6 +214,7 @@
 CONFIG_CFG80211_INTERNAL_REGDB=y
 CONFIG_NL80211_TESTMODE=y
 CONFIG_CMA=y
+CONFIG_CMA_SIZE_MBYTES=4
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_QSEECOM=y