[PATCH v2 0/7] Replace rw_page with on-stack bio

2017-08-10 Thread Minchan Kim
Recently, there was a dicussion about removing rw_page due to maintainance burden[1] but the problem was zram because zram has a clear win for the benchmark at that time. The reason why only zram have a win is due to bio allocation wait time from mempool under extreme memory pressure. Christoph

[PATCH v2 0/7] Replace rw_page with on-stack bio

2017-08-10 Thread Minchan Kim
Recently, there was a dicussion about removing rw_page due to maintainance burden[1] but the problem was zram because zram has a clear win for the benchmark at that time. The reason why only zram have a win is due to bio allocation wait time from mempool under extreme memory pressure. Christoph