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Merge "Activity Manager now takes care of setting OOM values."

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Dianne Hackborn 2011-08-08 14:55:14 -07:00 committed by Android (Google) Code Review
commit d09196d00c
2 changed files with 8 additions and 64 deletions
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19
rootdir/init.lowmem.rc
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@ -1,19 +0,0 @@
# Adjustments to the out-of-memory killer, for devices that are
# tight on memory. These should not be used if not needed, as they
# can result in more paging.
on early-boot
setprop ro.FOREGROUND_APP_MEM 1536
setprop ro.VISIBLE_APP_MEM 2048
setprop ro.PERCEPTIBLE_APP_MEM 2048
setprop ro.HEAVY_WEIGHT_APP_MEM 2048
setprop ro.SECONDARY_SERVER_MEM 4096
setprop ro.BACKUP_APP_MEM 4096
setprop ro.HOME_APP_MEM 4096
setprop ro.HIDDEN_APP_MEM 5120
setprop ro.EMPTY_APP_MEM 6144
on boot
write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,3072,4096,5120,6144

53
rootdir/init.rc
View file

@ -190,54 +190,17 @@ on boot
# set RLIMIT_NICE to allow priorities from 19 to -20
setrlimit 13 40 40
# Define the oom_adj values for the classes of processes that can be
# killed by the kernel. These are used in ActivityManagerService.
setprop ro.FOREGROUND_APP_ADJ 0
setprop ro.VISIBLE_APP_ADJ 1
setprop ro.PERCEPTIBLE_APP_ADJ 2
setprop ro.HEAVY_WEIGHT_APP_ADJ 3
setprop ro.SECONDARY_SERVER_ADJ 4
setprop ro.BACKUP_APP_ADJ 5
setprop ro.HOME_APP_ADJ 6
setprop ro.HIDDEN_APP_MIN_ADJ 7
setprop ro.EMPTY_APP_ADJ 15
# Define the memory thresholds at which the above process classes will
# be killed. These numbers are in pages (4k).
# These are currently tuned for tablets with approx 1GB RAM.
setprop ro.FOREGROUND_APP_MEM 8192
setprop ro.VISIBLE_APP_MEM 10240
setprop ro.PERCEPTIBLE_APP_MEM 12288
setprop ro.HEAVY_WEIGHT_APP_MEM 12288
setprop ro.SECONDARY_SERVER_MEM 14336
setprop ro.BACKUP_APP_MEM 14336
setprop ro.HOME_APP_MEM 14336
setprop ro.HIDDEN_APP_MEM 16384
setprop ro.EMPTY_APP_MEM 20480
# Old values for phones. Should probably be adjusted up for the next
# phone version.
#setprop ro.FOREGROUND_APP_MEM 2048
#setprop ro.VISIBLE_APP_MEM 3072
#setprop ro.PERCEPTIBLE_APP_MEM 4096
#setprop ro.HEAVY_WEIGHT_APP_MEM 4096
#setprop ro.SECONDARY_SERVER_MEM 6144
#setprop ro.BACKUP_APP_MEM 6144
#setprop ro.HOME_APP_MEM 6144
#setprop ro.HIDDEN_APP_MEM 7168
#setprop ro.EMPTY_APP_MEM 8192
# Write value must be consistent with the above properties.
# Note that the driver only supports 6 slots, so we have combined some of
# the classes into the same memory level; the associated processes of higher
# classes will still be killed first.
write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
# Memory management. Basic kernel parameters, and allow the high
# level system server to be able to adjust the kernel OOM driver
# paramters to match how it is managing things.
write /proc/sys/vm/overcommit_memory 1
write /proc/sys/vm/min_free_order_shift 4
write /sys/module/lowmemorykiller/parameters/minfree 8192,10240,12288,14336,16384,20480
chown root system /sys/module/lowmemorykiller/parameters/adj
chmod 0664 /sys/module/lowmemorykiller/parameters/adj
chown root system /sys/module/lowmemorykiller/parameters/minfree
chmod 0664 /sys/module/lowmemorykiller/parameters/minfree
# Set init its forked children's oom_adj.
# Set init and its forked children's oom_adj.
write /proc/1/oom_adj -16
# Tweak background writeout