Messages in this thread |  | | Subject | Re: [PATCH v2 01/12] mm: Assign id to every memcg-aware shrinker | From | Kirill Tkhai <> | Date | Wed, 18 Apr 2018 17:27:08 +0300 |
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On 18.04.2018 17:14, Tetsuo Handa wrote: > Kirill Tkhai wrote: >> The patch introduces shrinker::id number, which is used to enumerate >> memcg-aware shrinkers. The number start from 0, and the code tries >> to maintain it as small as possible. >> >> This will be used as to represent a memcg-aware shrinkers in memcg >> shrinkers map. > > I'm not reading this thread. But is there reason "id" needs to be managed > using smallest numbers? Can't we use address of shrinker object as "id" > (which will be sparse bitmap, and would be managed using linked list for now)?
Yes, it's needed to have the smallest numbers, as next patches introduce per-memcg bitmap containing ids of shrinkers.
Kirill
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