Illium Changelog 31/3/2021

Both

• Upstreamed to v4.4.264
• msm: kgsl: Relax CPU latency requirements to save power 
• qos: Don't allow userspace to impose restrictions on CPU idle levels 
• msm: mdss: Speed up mdss_mdp_get_format_params for UBWC formats
• msm: clock-osm: Use CLKFLAG_NO_RATE_CACHE for pwrcl and perfcl clk
• msm: mdss: Remove sync debug name generation from hot path 
• msm: kgsl: Remove sync debug name generation from hot path 
• kernel: Don't allow IRQ affinity masks to have more than one CPU
• defconfig: Enable zram writeback
• workqueue: Schedule workers on CPU0 or CPU0/CPU1 by default 
• fs: sdfat: Update to version 2.4.5
• mm: Boost when memory pressure becomes high
• ARM: dts: sdm660: Tune default devfreq governors 
• Nuked iowait boost completely
• Nuked GCC invocation completely
• devfreq: Avoid competing with low-priority tasks 
• sched/fair: Turn off FBT_STRICT_ORDER feature 
• sched/rt: Kick RT bandwidth timer immediately on start up 
• sched/rt: Remove unnecessary condition in push_rt_task() 
• sched/rt, sched/dl: Don't push if task's scheduling class was changed 
• sched/fair: Fix the wrong throttled clock time for cfs_rq_clock_task() 
• cpufreq: Don't WARN_ON on non-existent cpu
• cpu-boost: Optimize policy update loop on input boost 
• cpu-boost: Avoid boosting over user set max freq 
• zram: Try to avoid worst-case scenario on same element pages
• mm: process_reclaim: Consider compound pages
• mm / compaction: Disable compaction of unevictable pages
• zsmalloc: add bp hints to memory allocations
• mm: swap: swap pages one at a time 
• mm/slub.c: branch optimization in free slowpath
• mm/slab_common: Align all caches' objects to hardware cachelines 
• mm: Stop kswapd early when nothing's waiting for it to free pages

Regular

• Switched to 12ms PELT

Burst

• Switched to 8ms PELT