Evolution-X-Tensor/device_google_gs101
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init: gs101: improve first cma allocation latency for faceauth

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When the system boot, migrate big mapped movable pages created by
Android boot sequence(e.g., zygote) out of cma to improve first cma
allocation. The test with cma trace shows cma allocation reduction
from 136ms to 25ms.

Test: atest com.google.android.camera.pts.SecurePreviewTest with cma
trace
Bug: 218731671
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: Iaa2a2f8c0c3256face3ce9cd21fa4acd6fb531ea
This commit is contained in:
Minchan Kim 2022-02-20 21:39:18 -08:00
parent 7ff2746e0a
commit e09098ee34
1 changed files with 3 additions and 0 deletions
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3
conf/init.gs101.rc
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@ -687,6 +687,9 @@ on property:sys.boot_completed=1
swapon_all /vendor/etc/fstab.${ro.board.platform}
write /proc/sys/vm/swappiness 100
# Force empty CMA
write /sys/kernel/vendor_mm/cma/farawimg/force_empty 1
# Back to default VM settings
write /proc/sys/vm/dirty_expire_centisecs 3000
write /proc/sys/vm/dirty_background_ratio 10