arm64: t210: enable deadline and cfq ioschedulers

Currently NOOP is the only I/O scheduler enabled. Need to evaluate if
performance improves with Deadline or CFQ schedulers. Hence enabling
these schedulers as kernel modules. NOOP is the default scheduler.
Other schedulers can be loaded and chosen during runtime.

bug 1611307

Change-Id: Iaa1a3368456a611e2f7682d5c98d03726780019d
Signed-off-by: Naveen Kumar S <nkumars@nvidia.com>
Reviewed-on: http://git-master/r/718462
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Tested-by: Venkat Moganty <vmoganty@nvidia.com>

diff --git a/arch/arm64/configs/tegra21_defconfig b/arch/arm64/configs/tegra21_defconfig
index 1e73d16382237cdb9c4fc9e9ecadee8e17159277..1d7ae7d59ea812efb26aeb586adc7152ca20d0a4 100644 (file)
--- a/arch/arm64/configs/tegra21_defconfig
+++ b/arch/arm64/configs/tegra21_defconfig
@@ -23,8 +23,8 @@ CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_PARTITION_ADVANCED=y
-# CONFIG_IOSCHED_DEADLINE is not set
-# CONFIG_IOSCHED_CFQ is not set
+CONFIG_IOSCHED_DEADLINE=m
+CONFIG_IOSCHED_CFQ=m
 CONFIG_ARCH_TEGRA=y
 CONFIG_PM_DEVFREQ=y
 CONFIG_DEVFREQ_GOV_WMARK_SIMPLE=y