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Date: Mon, 12 Oct 2015 10:24:14 -0500 From: ebiederm@...ssion.com (Eric W. Biederman) To: wangyufen <wangyufen@...wei.com> Cc: <netdev@...r.kernel.org> Subject: Re: Issue with /proc/sys/net/ipv4/tcp_mem wangyufen <wangyufen@...wei.com> writes: > Hi, > > I tried on linux-4.1: > linux:~# cat /proc/sys/net/ipv4/tcp_mem > 8388608 12582912 16777216 > linux:~# echo 1234 >/proc/sys/net/ipv4/tcp_mem > -bash: echo: write error: Invalid argument > linux:~# cat /proc/sys/net/ipv4/tcp_mem > 1234 12582912 16777216 > > the echo operation got error, but value already written to tcp_mem. > > I checked, patch f594d63199688ad568fb caused the issue. Use the cgroup interface if you want per cgroup control. Eric -- 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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