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Commit ba33ac8b authored by Karsten Tausche's avatar Karsten Tausche
Browse files

Adjust kernel configs for new low-memory killer 

Android 11 and beyond on kernel 4.9 or newer can use a new low memory
killer, lmkd. On kernel side it requires support for pidfd and psi. Both
are backported to the android-4.9-q common kernel as well, which we have
merged in.

Disable the old memory killer and enable PSI to allow using the new LMK.

Issue: FP3-A11#63
Issue: FP3-A13#31
Change-Id: Ia257a011e7ad8d11933900714cdc5f5e19048db0
parent 3f9eccf5

arch/arm64/configs/msm8953-perf_defconfig

+3 −4
Original line number Diff line number Diff line
@@ -102,7 +102,8 @@ CONFIG_TASKSTATS=y 
# CONFIG_TASK_DELAY_ACCT is not set

CONFIG_TASK_XACCT=y

CONFIG_TASK_IO_ACCOUNTING=y

# CONFIG_PSI is not set

CONFIG_PSI=y

# CONFIG_PSI_DEFAULT_DISABLED is not set



#

# RCU Subsystem
@@ -3727,9 +3728,7 @@ CONFIG_STAGING=y 
# Android

#

CONFIG_ASHMEM=y

CONFIG_ANDROID_LOW_MEMORY_KILLER=y

CONFIG_ANDROID_LOW_MEMORY_KILLER_AUTODETECT_OOM_ADJ_VALUES=y

# CONFIG_ANDROID_LMK_NOTIFY_TRIGGER is not set

# CONFIG_ANDROID_LOW_MEMORY_KILLER is not set

CONFIG_ION=y

# CONFIG_ION_TEST is not set

# CONFIG_ION_DUMMY is not set

arch/arm64/configs/msm8953_defconfig

+3 −4
Original line number Diff line number Diff line
@@ -102,7 +102,8 @@ CONFIG_TASKSTATS=y 
CONFIG_TASK_DELAY_ACCT=y

CONFIG_TASK_XACCT=y

CONFIG_TASK_IO_ACCOUNTING=y

# CONFIG_PSI is not set

CONFIG_PSI=y

# CONFIG_PSI_DEFAULT_DISABLED is not set



#

# RCU Subsystem
@@ -3732,9 +3733,7 @@ CONFIG_STAGING=y 
# Android

#

CONFIG_ASHMEM=y

CONFIG_ANDROID_LOW_MEMORY_KILLER=y

CONFIG_ANDROID_LOW_MEMORY_KILLER_AUTODETECT_OOM_ADJ_VALUES=y

# CONFIG_ANDROID_LMK_NOTIFY_TRIGGER is not set

# CONFIG_ANDROID_LOW_MEMORY_KILLER is not set

CONFIG_ION=y

# CONFIG_ION_TEST is not set

# CONFIG_ION_DUMMY is not set