Messages in this thread | | | Date | Wed, 14 Jan 2009 15:32:38 -0800 | From | "Arve Hjønnevåg" <> | Subject | Re: lowmemory android driver not needed? |
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On Wed, Jan 14, 2009 at 3:17 PM, Greg KH <greg@kroah.com> wrote: >> We actually use 6 different thresholds for killing processes. I don't >> know what all the classes are, processes with a higher oom_adj value >> can be killed with less impact to the user than processes with a lower >> oom_adj value. The first few classes only affect latency when >> switching apps, but later classes stop non critical background >> services and finally the foreground app. Another reason to not kill >> every process at the same threshold is that memory may not be free >> immediately when the process is killed. > > But the lowmemorykiller android module doesn't have anything to do with > this, right? >
It does. We write the thresholds to /sys/module/lowmemorykiller/parameters/adj and /sys/module/lowmemorykiller/parameters/minfree then set the oom_adj value per process. If the standard oom killer can be adjusted in a similar way, then we will not need the lowmemorykiller module.
-- Arve Hjønnevåg -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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