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Date: Mon, 21 Aug 2006 18:23:32 -0700 From: Rohit Seth <rohitseth@...gle.com> To: Kirill Korotaev <dev@...ru> Cc: Andrew Morton <akpm@...l.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Alan Cox <alan@...rguk.ukuu.org.uk>, Ingo Molnar <mingo@...e.hu>, Christoph Hellwig <hch@...radead.org>, Pavel Emelianov <xemul@...nvz.org>, Andrey Savochkin <saw@...ru>, devel@...nvz.org, Rik van Riel <riel@...hat.com>, hugh@...itas.com, ckrm-tech@...ts.sourceforge.net, Andi Kleen <ak@...e.de> Subject: Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) On Mon, 2006-08-21 at 14:43 +0400, Kirill Korotaev wrote: > >>1. reclaiming user resources is not that good idea as it looks to you. > >>such solutions end up with lots of resources spent on reclaim. > >>for user memory reclaims mean consumption of expensive disk I/O bandwidth > >>which reduces overall system throughput and influences other users. > >> > > > > > > May be I'm overlooking something very obvious. Please tell me, what > > happens when a user hits a page fault and the page allocator is easily > > able to give a page from its pcp list. But container is over its limit > > of physical memory. In your patch there is no attempt by container > > support to see if some of the user pages are easily reclaimable. What > > options a user will have to make sure some room is created. > The patch set send doesn't control user memory! > This topic is about kernel memory... > And that is why I asked the question in the very first mail (if this support is going to come later). -rohit - 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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