CosmicFresh R5

Changelog:

• Drop zram in favour of zswap + vbswap combo
• Drop SCHED_RR changes
• Rice the walt scheduler
• Drop Msm perf driver
• Switch to Efficient freqs calculated using pancha's method
• Drop Damon
• Switch back to Sultan's SimpleLMK
• Reduce unnecessary usage of pm_qos
• Bring back backported smem/s2mp/rpmsg drivers
• Switch to tcp bbr+fq_codel
• Merge RedHat's cfq tunings to improve io perf
• Use step_wise as the thermal governor instead of moto userspace
• Merge zswap + z3fold backports from mainline
• Merge CGROUP backports
• Reduce idle/active drain
• Much faster resume from suspend

CosmicFresh R4

Changelog:

• Complete rebase and rebuild
• Bring back mglru
• Backport Amazon's Data Access MONitor
• Enable Damon's proactive reclaim
• Multithreaded kswapd and affined it to little cluster
• Create 6 kswapd threads [1]
• Enable zram deduplication for additional ram savings
• Drop oplus mm hacks
• LZ4 decompression speed improvements
• Improvements to video recording bitrate
• Drop RMNET extensions as it affected active drain
• Drop ram variants
• Drop a lot of changes that regressed the kernel
• Drop efficient freqs for now
• Drop backported smem/s2mp/rpmsg drivers
• Drop SimpleLMK
• Drop FUSE_PASSTHROUGH for now
• Selectively pick sultan's changes to kswapd
• Pick sultan's fixes to vmpressure

1:

We have already affined kswapd's kthreads to the little cluster and since our little cluster has 6 cores, I thought it would be better for each core to have its own thread.

CosmicFresh R3A

Changelog:

• Fix an increase in active drain.
• Linearize power drain.
• And everything else from R3

NOTICE: This a hotfix release to R3.

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CosmicFresh R3

Changelog:

• mmap/mremap backported from mainline.
• vmalloc backported from mainline.
• tlb backported from mainline.
• Timer optimizations.
• Removed RTB(interrupt) logging.
• jump_label patches from upstream.
• Fixed a regression that hurt power usage.
• rwsem backported from upstream.
• Latest arm routines.
• loop driver patches from upstream.
• futex and mutex backports.
• Selinux backports.
• smem/s2mp/rpmsg drivers backported from 5.4.
• Fixed a major source of idle drain.
• Fixed single tap to wake up in stock rom.
• Improved syscall speed.
• Improved graphics performance.
• Improved system power usage.
• Improved overall system fluidity.

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CosmicFresh R2

Changelog:

• Switch to SimpleLMK.
• Drop MGLRU.
• Drop A12 binder backport.
• Re-enable EDL mode.
• Optimize Network stack.
• Fix active drain issue.
• Drop CGROUP backports.
• Optimize memory management.

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CosmicFresh R1

Changelog:

• Initial build.

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