Normally, I/O completed pages for reclaim would be rotated into
inactive LRU tail. IMHO, the why we did is we can't remove the page
from page cache and (swap cache, swap slot) by locking problem.
So for reclaiming the I/O completed pages, we need one more iteration
of reclaim and it could make
Normally, I/O completed pages for reclaim would be rotated into
inactive LRU tail. IMHO, the why we did is we can't remove the page
from page cache and (swap cache, swap slot) by locking problem.
So for reclaiming the I/O completed pages, we need one more iteration
of reclaim and it could make
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