1BALANCE_DIRTY_PAGES_(9) Memory Management in Linux BALANCE_DIRTY_PAGES_(9)
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6 balance_dirty_pages_ratelimited - balance dirty memory state
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9 void balance_dirty_pages_ratelimited(struct address_space * mapping);
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12 mapping
13 address_space which was dirtied
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16 Processes which are dirtying memory should call in here once for each
17 page which was newly dirtied. The function will periodically check the
18 system's dirty state and will initiate writeback if needed.
19 On really big machines, get_writeback_state is expensive, so try to
21 avoid calling it too often (ratelimiting). But once we're over the
22 dirty memory limit we decrease the ratelimiting by a lot, to prevent
23 individual processes from overshooting the limit by (ratelimit_pages)
24 each.
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27Kernel Hackers Manual 3.10 June 2019 BALANCE_DIRTY_PAGES_(9)