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SubjectRe: [PATCH v2 01/12] mm: Assign id to every memcg-aware shrinker
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)?

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