Re: [Devel] [PATCH rh7] vmscan: do not throttle kthreads due to too_many_isolated

2015-12-02 Thread Konstantin Khorenko
Dima, please review. -- Best regards, Konstantin Khorenko, Virtuozzo Linux Kernel Team On 11/26/2015 11:48 AM, Vladimir Davydov wrote: Ploop hands off bio processing to its kernel thread. This might result to a dead lock as described below: 1. Several processes performing memcg reclaim isol

[Devel] [PATCH rh7] vmscan: do not throttle kthreads due to too_many_isolated

2015-11-26 Thread Vladimir Davydov
Ploop hands off bio processing to its kernel thread. This might result to a dead lock as described below: 1. Several processes performing memcg reclaim isolate a bunch of reclaimable pages and all get stuck in shrink_page_list waiting for a page writeback to finish. Page writeback is up t