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Subjectbalance_pgdat(): where is total_scanned ever updated?
Kernel version is 2.6.9, but I see no updates to this function in BK-current.
How is total_scanned ever updated? AFAICT it is always zero.

In mm/vmscan.c:balance_pgdat(), there are these references to total_scanned
(missing whitepace indicated by "^"):


977: int total_scanned, total_reclaimed;

983: total_scanned = 0;

1076: if (total_scanned > SWAP_CLUSTER_MAX * 2 &&
1077: total_scanned > total_reclaimed+total_reclaimed/2)
^ ^ ^ ^

1088: if (total_scanned && priority < DEF_PRIORITY - 2)


Could this be part of the problems with reclaim? Or have I missed something?


--Chuck Ebbert 06-Nov-04 14:15:21
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