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Message-ID: <52B1A781.50002@redhat.com> Date: Wed, 18 Dec 2013 08:47:45 -0500 From: Rik van Riel <riel@...hat.com> To: Johannes Weiner <hannes@...xchg.org> CC: Mel Gorman <mgorman@...e.de>, Andrew Morton <akpm@...ux-foundation.org>, Dave Hansen <dave.hansen@...el.com>, Linux-MM <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [RFC PATCH 0/6] Configurable fair allocation zone policy v3 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... -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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