Tomasz Grabiec 641bcd0b35 cache: Introduce unlink_from_lru() ...

Will be used in row_cache_alloc_stress to unlink partitions which we
don't want to get evicted, instead of reapeatedly calling touch() on
them after each subsequent population. After switching to row-level
LRU, doing so greatly increases run time of the test due to quadratic
behavior.

2018-03-07 16:52:59 +01:00

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