Messages in this thread | | | Date | Wed, 18 Dec 2013 08:47:45 -0500 | From | Rik van Riel <> | Subject | Re: [RFC PATCH 0/6] Configurable fair allocation zone policy v3 |
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On 12/18/2013 01:17 AM, Johannes Weiner wrote:
> Updated version with your tmpfs __GFP_PAGECACHE parts added and > documentation, changelog updated as necessary. I remain unconvinced > that tmpfs pages should be round-robined, but I agree with you that it > is the conservative change to do for 3.12 and 3.12 and we can figure > out the rest later. I sure hope that this doesn't drive most people > on NUMA to disable pagecache interleaving right away as I expect most > tmpfs workloads to see little to no reclaim and prefer locality... :/
Actually, I suspect most tmpfs heavy workloads will be things like databases with shared memory segments. Those tend to benefit from having all of the system's memory bandwidth available. The worker threads/processes tend to live all over the system, too...
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