Messages in this thread | | | Date | Thu, 05 Aug 2010 11:19:34 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 1/7] vmscan: raise the bar to PAGEOUT_IO_SYNC stalls |
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On 08/05/2010 02:12 AM, KOSAKI Motohiro wrote: > From: Wu Fengguang<fengguang.wu@intel.com> > > Fix "system goes unresponsive under memory pressure and lots of > dirty/writeback pages" bug. > > http://lkml.org/lkml/2010/4/4/86 > > In the above thread, Andreas Mohr described that > > Invoking any command locked up for minutes (note that I'm > talking about attempted additional I/O to the _other_, > _unaffected_ main system HDD - such as loading some shell > binaries -, NOT the external SSD18M!!). > > This happens when the two conditions are both meet: > - under memory pressure > - writing heavily to a slow device
Acked-by: Rik van Riel <riel@redhat.com>
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