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Date: Tue, 04 Feb 2014 14:48:30 -0800 From: Eric Dumazet <eric.dumazet@...il.com> To: "Eric W. Biederman" <ebiederm@...ssion.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org, linux-mm@...ck.org, David Rientjes <rientjes@...gle.com> Subject: Re: [PATCH] fdtable: Avoid triggering OOMs from alloc_fdmem On Tue, 2014-02-04 at 10:57 -0800, Eric W. Biederman wrote: > As I have heard it described one tcp connection per small requestion, > and someone goofed and started creating new connections when the server > was bogged down. But since all of the requests and replies were small I > don't expect even TCP would allocate more than a 4KiB page in that > worload. Right, small writes uses regular skb (no page fragments). > > I had oodles of 4KiB and 8KiB pages. What size of memory allocation did > you see failing? We got some reports of order-3 allocations failing. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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