Andi Kleen <[EMAIL PROTECTED]> wrote: > > In general to solve it one has to increase /proc/sys/vm/freepages > a lot.
/proc/sys/vm/min_free_kbytes > It would be nice though if the VM tuned itself dynamically to a lot > of GFP_ATOMIC requests. And maybe if GFP_ATOMIC was a bit more aggressive > and did some simple minded reclaiming that would be helpful too. > e.g. there could be a "easy to free" list in the VM for clean pages > where freeing is simple enough that it could be made interrupt safe. I spose we could autotune the free memory thresholds somehow, if there is good reason and a testcase. Or we could run page reclaim from hard IRQ context - that could be a bit expensive in terms of CPU consumption and latency though. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
