109 There are two conceptually independent procedures: the aging and the
112 Aging  section in Workflow overview
114 The aging produces young generations. Given an ``lruvec``, it
116 ``MIN_NR_GENS``. The aging promotes hot pages to the youngest
119 ``max_seq``. The aging uses page table walks and rmap walks to find
124 the aging scans the adjacent PTEs. For both, on finding a young PTE,
125 the aging clears the accessed bit and updates the gen counter of the
137 page according to its gen counter if the aging has found this page
193 forms a feedback loop between the eviction and the aging.
203 filter. In the aging path, set membership means that the PTE range
264 The aging and the eviction form a producer-consumer model;
266 generations. Within the aging, rmap walks drive page table walks by