oom-killings, but I'm not out of memory!

[Anthony DiSante <theant@nodivisions.com>]

Hello,

I'm running a 2.6.11 kernel.  I have 1 gig of RAM and 1 gig of swap.  Lately 
when my RAM gets full, the oom-killer takes out either Mozilla or 
Thunderbird (my two biggest memory hogs), even though my swap space is only 
20% full.  I still have ~800 MB of free swap space, so shouldn't the kernel 
push Moz or T-bird into swap instead of oom-killing it?  At their maximum 
memory-hogging capacity, neither Moz nor T-bird is ever using more than 200 MB.

Thanks,
Anthony DiSante
http://nodivisions.com/


Jun 28 12:09:09 soma oom-killer: gfp_mask=0x80d2
...
Jun 28 12:09:09 soma Free swap  = 781012kB
Jun 28 12:09:09 soma Total swap = 987988kB
Jun 28 12:09:09 soma Out of Memory: Killed process 30787 (thunderbird-bin).
Jun 28 12:09:09 soma Out of Memory: Killed process 18112 (thunderbird-bin).
Jun 28 12:09:09 soma Out of Memory: Killed process 18116 (thunderbird-bin).
Jun 28 12:09:09 soma Out of Memory: Killed process 18117 (thunderbird-bin).
Jun 28 12:09:09 soma Out of Memory: Killed process 18119 (thunderbird-bin).
Jun 28 12:09:09 soma Out of Memory: Killed process 8857 (thunderbird-bin).

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