On Mon, Dec 28, 2009 at 6:42 AM, Daisuke Nishimura
<nishim...@mxp.nes.nec.co.jp> wrote:
> It would be a nitpick, but my
> patch(http://marc.info/?l=linux-mm-commits&m=126152804420992&w=2)
> has already modified here.
>
> I think it might be better for you to apply my patches by hand or wait for
> next mmotm
> to be released to avoid bothering Andrew.
> (There is enough time left till the next merge window :))
I'll rebase it later.
> (snip)
>
>> +static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap)
>> +{
>> + struct mem_cgroup_threshold_ary *thresholds;
>> + u64 usage = mem_cgroup_usage(memcg, swap);
>> + int i, cur;
>> +
> I think calling mem_cgroup_usage() after checking "if(!thresholds)"
> decreases the overhead a little when we don't set any thresholds.
> I've confirmed that the change makes the assembler output different.
Thanks.
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