darkkirb/android_device_lenovo_msm8937-common
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msm8937-common: post_boot: Tune/configure ZRAM memory parameters

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1) Set zRam size to 1GB for 3GB and above targets
Increasing the swappiness and zRam size improves zRam savings and app concurrency.

2) Corrected the vmpressure_file_min value.

CRs-Fixed: 2176961

Change-Id: I4eb71110f35f67b984bea4106d6cec3c2586d024
This commit is contained in:
Vijay Dandiga 2018-01-24 19:35:49 +05:30 committed by karthick111
parent c8c77b1c95
commit 3bf8f219e8
2 changed files with 5 additions and 5 deletions
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2
rootdir/fstab.qcom
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@ -23,4 +23,4 @@
/devices/soc/7864900.sdhci/mmc_host* auto auto nosuid,nodev wait,voldmanaged=sdcard1:auto,noemulatedsd,encryptable=footer
/devices/soc/78db000.usb/msm_hsusb_host* auto auto nosuid,nodev wait,voldmanaged=usbotg:auto
/dev/block/zram0 none swap defaults zramsize=536870912,max_comp_streams=4
/dev/block/zram0 none swap defaults zramsize=1073741824,max_comp_streams=4

8
rootdir/init.qcom.power.rc
View file

@ -135,13 +135,13 @@ on enable-low-power
write /sys/module/process_reclaim/parameters/enable_process_reclaim 1
write /sys/module/process_reclaim/parameters/pressure_max 70
write /sys/module/process_reclaim/parameters/swap_opt_eff 30
write /sys/module/process_reclaim/parameters/pressure_min 50
write /sys/module/process_reclaim/parameters/per_swap_size 512
write /sys/module/process_reclaim/parameters/pressure_min 10
write /sys/module/process_reclaim/parameters/per_swap_size 1024
# Set lowmemorykiller tuning parameters
write /sys/module/lowmemorykiller/parameters/enable_adaptive_lmk 1
write /sys/module/lowmemorykiller/parameters/minfree "15360,19200,23040,26880,34415,43737"
write /sys/module/lowmemorykiller/parameters/vmpressure_file_min 53059
write /sys/module/lowmemorykiller/parameters/minfree "18432,23040,27648,32256,55296,80640"
write /sys/module/lowmemorykiller/parameters/vmpressure_file_min 80640
# Set ZCache parameters
write /sys/module/zcache/parameters/clear_percent 3