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Kcompressd Proposed For Accelerated Memory Compression On Linux
Mediatek engineers have proposed Kcompressd as a new addition to the Linux kernel to improve the efficiency of memory reclamation
Mediatek engineers testing these patches on their handheld Linux devices have found huge benefit in alleviating memory pressure and enhancing system responsiveness. Problem: In the current system, the kswapd thread is responsible for both scanning the LRU pages and handling memory compression tasks (such as those involving ZSWAP/ZRAM, if enabled). Additionally, we observed a reduction of over 50% in page allocation stall occurrences, further demonstrating the effectiveness of kcompressd in alleviating memory pressure and improving system responsiveness."
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