Messages in this thread |  | | | Date | Wed, 8 Feb 2012 20:51:11 +0800 | | Subject | Re: [PATCH 00/15] Swap-over-NBD without deadlocking V8 | | From | Hillf Danton <> |
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On Tue, Feb 7, 2012 at 9:27 PM, Mel Gorman <mgorman@suse.de> 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.
Thanks Hillf
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