Re: [PATCH] backports: add rb_tree_cached

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On 16 October 2021 14:06:42 CEST, Hauke Mehrtens <hauke@xxxxxxxxxx> wrote:
>On 7/15/21 6:00 PM, Johannes Berg wrote:
>> From: Johannes Berg <johannes.berg@xxxxxxxxx>
>> 
>> We just map them to the normal rb_tree, losing the efficiency
>> gain in this case.
>> 
>> ticket=none
>> 
>> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
>
>I had a look at this too and the cached optimization seams to be 
>completely in the header file now, initially the in kernel rb lib code 
>was changed too.
>
>Sine this commit we should be able to fully backport this easily:
>https://git.kernel.org/linus/9f973cb38088e0cf42e0bae97ff140813e623f13
>

I guess I could've always done it that way, just didn't bother as it didn't seem so important, at least not to iwlwifi.

johannes 
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