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Message-ID: <20091117002238.GH12422@kvack.org> Date: Mon, 16 Nov 2009 19:22:38 -0500 From: Benjamin LaHaise <bcrl@...et.ca> To: Stephen Hemminger <shemminger@...tta.com> Cc: Octavian Purdila <opurdila@...acom.com>, netdev@...r.kernel.org, Eric Dumazet <eric.dumazet@...il.com> Subject: Re: [PATCH 2/2] ipv4: factorize cache clearing for batched unregister operations On Mon, Nov 16, 2009 at 04:06:46PM -0800, Stephen Hemminger wrote: > And what about IPV6? It's not possible to create more than a few thousand IPv6 interfaces in my tests with a 4GB vm. The culprit seems to be the per-cpu arrays for statistics using vmalloc() and wasting gobs of memory as a result (memory usage seems to be 10x per interface vs what IPv4 is using), but I haven't dug too deeply yet. -ben -- 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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