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Remove hiwater/lowater fields from delegdb

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The delegdb does not directly use the hiwater and lowater values during
the cleaning flow, so these fields are no longer necessary.
This commit is contained in:
Colin Vidal 2026-04-10 08:57:51 +02:00
parent 4d772cda3c
commit 193e01ab20
1 changed files with 7 additions and 8 deletions
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15
lib/dns/deleg.c
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@ -68,9 +68,6 @@ struct dns_delegdb {
* (After decrementing `owners`.)
*/
isc_refcount_t owners;
size_t lowater;
size_t hiwater;
};
static void
@ -976,16 +973,19 @@ dns_delegdb_shutdown(dns_delegdb_t *delegdb) {
void
dns_delegdb_setsize(dns_delegdb_t *delegdb, size_t size) {
size_t lowater;
size_t hiwater;
REQUIRE(VALID_DELEGDB(delegdb));
if (size != 0 && size < DELEGDB_MINSIZE) {
size = DELEGDB_MINSIZE;
}
delegdb->hiwater = size - (size >> 3); /* Approximately 7/8ths. */
delegdb->lowater = size - (size >> 2); /* Approximately 3/4ths. */
hiwater = size - (size >> 3); /* Approximately 7/8ths. */
lowater = size - (size >> 2); /* Approximately 3/4ths. */
if (size == 0 || delegdb->hiwater == 0 || delegdb->lowater == 0) {
if (size == 0 || hiwater == 0 || lowater == 0) {
isc_mem_clearwater(delegdb->mctx);
/*
@ -993,7 +993,6 @@ dns_delegdb_setsize(dns_delegdb_t *delegdb, size_t size) {
* implicit overmem bypass, so the user should be warned...
*/
} else {
isc_mem_setwater(delegdb->mctx, delegdb->hiwater,
delegdb->lowater);
isc_mem_setwater(delegdb->mctx, hiwater, lowater);
}
}