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vfs: fix stale comment about freevnodes management

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Mateusz Guzik 2023-09-14 17:28:32 +00:00
parent 76f1153790
commit 9dc0c983b0
1 changed files with 5 additions and 5 deletions
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10
sys/kern/vfs_subr.c
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@ -1444,12 +1444,12 @@ static struct proc *vnlruproc;
static int vnlruproc_sig;
/*
* The main freevnodes counter is only updated when threads requeue their vnode
* batches. CPUs are conditionally walked to compute a more accurate total.
* The main freevnodes counter is only updated when a counter local to CPU
* diverges from 0 by more than VNLRU_FREEVNODES_SLOP. CPUs are conditionally
* walked to compute a more accurate total.
*
* Limit how much of a slop are we willing to tolerate. Note: the actual value
* at any given moment can still exceed slop, but it should not be by significant
* margin in practice.
* Note: the actual value at any given moment can still exceed slop, but it
* should not be by significant margin in practice.
*/
#define VNLRU_FREEVNODES_SLOP 126