Re: [PATCH v4 4/8] per-cgroup tcp buffers control

From: Glauber Costa
Date: Tue Oct 04 2011 - 01:44:48 EST

On 10/04/2011 05:16 AM, KAMEZAWA Hiroyuki wrote:
It seems memcg->tcp.tcp_memory_pressure has no locks and not atomic.

no problematic race ?


prior to this patch, it was a global variable. And nobody complained so far...

My impression is that the only thing that really needs to be atomic is
the memory accounting, which is already. If we miss a memory pressure condition entry, we'll get to it next time.

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