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subr_rangeset: use pctrie_reclaim_cb in remove_all

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Replace the lookup-remove loop in rangeet_remove_all with a call
to SWAP_PCTRIE_RECLAIM_CALLBACK, to eliminate repeated trie searches.

Reviewed by:	rlibby
Differential Revision:	https://reviews.freebsd.org/D45584
This commit is contained in:
Doug Moore 2024-06-13 13:49:43 -05:00
parent d2acf0a447
commit a7f67ebd82
1 changed files with 11 additions and 9 deletions
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20
sys/kern/subr_rangeset.c
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@ -232,18 +232,20 @@ rangeset_remove(struct rangeset *rs, uint64_t start, uint64_t end)
return (rangeset_remove_pred(rs, start, end, rangeset_true_pred));
}
static void
rangeset_remove_leaf(void *rv, void *rsv)
{
struct rs_el *r = rv;
struct rangeset *rs = rsv;
rs->rs_free_data(rs->rs_data_ctx, r);
}
void
rangeset_remove_all(struct rangeset *rs)
{
struct rs_el *r;
for (;;) {
r = RANGESET_PCTRIE_LOOKUP_GE(&rs->rs_trie, 0);
if (r == NULL)
break;
RANGESET_PCTRIE_REMOVE(&rs->rs_trie, r->re_start);
rs->rs_free_data(rs->rs_data_ctx, r);
}
RANGESET_PCTRIE_RECLAIM_CALLBACK(&rs->rs_trie,
rangeset_remove_leaf, rs);
}
void *