From: wangyufen <wangyufen@huawei.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: <netdev@vger.kernel.org>
Subject: Issue with /proc/sys/net/ipv4/tcp_mem
Date: Mon, 12 Oct 2015 17:38:32 +0800 [thread overview]
Message-ID: <561B7F98.1040809@huawei.com> (raw)
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.
thanks,
Wang
next reply other threads:[~2015-10-12 9:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-12 9:38 wangyufen [this message]
2015-10-12 15:24 ` Issue with /proc/sys/net/ipv4/tcp_mem Eric W. Biederman
2015-10-12 16:37 ` Eric W. Biederman
2015-10-13 1:44 ` Eric Dumazet
2015-10-13 5:07 ` Eric W. Biederman
2015-11-28 8:13 ` wangyufen
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