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SubjectRe: [PATCH 00/15] Swap-over-NBD without deadlocking V8
On Tue, Feb 7, 2012 at 9:27 PM, Mel Gorman <> wrote:
> On Tue, Feb 07, 2012 at 08:45:18PM +0800, Hillf Danton wrote:
>> If it is feasible to bypass hang by tuning min_mem_kbytes,
> No. Increasing or descreasing min_free_kbytes changes the timing but it
> will still hang.
>> things may
>> become simpler if NICs are also tagged.
> That would mean making changes to every driver and they do not necessarily
> know what higher level protocol like TCP they are transmitting. How is
> that simpler? What is the benefit?
The benefit is to avoid allocating sock buffer in softirq by recycling,
then the changes in VM core maybe less.


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