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Andrew Morton authored
From: William Lee Irwin III <wli@holomorphy.com> If one's goal is to free highmem pages, shrink_slab() is an ineffective method of recovering them, as slab pages are all ZONE_NORMAL or ZONE_DMA. Hence, this "FIXME: do not do for zone highmem". Presumably this is a question of policy, as highmem allocations may be satisfied by reaping slab pages and handing them back; but the FIXME says what we should do.
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