On Mon, Nov 21, 2016 at 03:48:21PM +0100, Miroslav Urbanek wrote:
> The threshold for OOM protection is too small for systems with large
> number of CPUs. Applications report ENOBUFs on connect() every 10
> minutes.
>
> The problem is that the variable net->xfrm.flow_cache_gc_count is a
> global counter while the variable fc->high_watermark is a per-CPU
> constant. Take the number of CPUs into account as well.
>
> Fixes: 6ad3122a08e3 ("flowcache: Avoid OOM condition under preasure")
> Reported-by: Lukáš Koldrt <[email protected]>
> Tested-by: Jan Hejl <[email protected]>
> Signed-off-by: Miroslav Urbanek <[email protected]>
Applied to the ipsec tree, thanks!
