ramdisk: Configure zRAM and KSM

Flemmard · Nov 25, 2014 · 39253f5 · 39253f5
1 parent 6886be8
commit 39253f5
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/rootdir/etc/fstab.pyramid b/rootdir/etc/fstab.pyramid
@@ -2,7 +2,7 @@
 #<src>			<mnt_point>	<type>	<mnt_flags>						<fs_mgr_flags>
 #/dev/block/platform/msm_sdcc.1/by-name/dsps	/firmware_dsps	vfat	ro,shortname=lower					wait
 /dev/block/platform/msm_sdcc.1/by-name/radio	/firmware_radio	vfat	ro,shortname=lower					wait
-/dev/block/platform/msm_sdcc.1/by-name/adsp    /firmware_q6	vfat	ro,shortname=lower					wait
+/dev/block/platform/msm_sdcc.1/by-name/adsp     /firmware_q6	vfat	ro,shortname=lower					wait
 #/dev/block/platform/msm_sdcc.1/by-name/wcnss	/firmware_wcnss	vfat	ro,shortname=lower					wait
 
 /dev/block/platform/msm_sdcc.1/by-name/boot      /boot         emmc	defaults						defaults
@@ -18,3 +18,6 @@
 
 # USB storage
 /devices/platform/msm_hsusb_host.0/usb1	auto	auto	defaults			voldmanaged=usbdisk:auto
+
+# zRAM
+/dev/block/zram0 				none 	swap 	defaults 		zramsize=256271974
diff --git a/rootdir/etc/init.pyramid.rc b/rootdir/etc/init.pyramid.rc
@@ -36,6 +36,7 @@ on fs
 
     # mount all mmc partitions
     mount_all /fstab.pyramid
+    swapon_all /fstab.pyramid
 
     mkdir /data/tombstones 0771 system system
     symlink /data/tombstones /tombstones
@@ -235,6 +236,13 @@ on boot
     chown system system /sys/module/mdp/parameters/mdp_gamma_cooler_colors
     chmod 0664 /sys/module/mdp/parameters/mdp_gamma_cooler_colors
 
+    # zRAM (read only 1 page at a time)
+    write /proc/sys/vm/page-cluster 0
+
+    # UKSM
+    write /sys/kernel/mm/uksm/sleep_millisecs 500
+    write /sys/kernel/mm/uksm/run 1
+
 # Services start here
 service qcamerasvr /system/bin/mm-qcamera-daemon
     class main