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Remove unused rbtnode->rpz flag

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The rbtnode->rpz flag was left behind when rbt and rpz were disentangled
by CHANGES #4576. Removing it makes the comment above correct again.

This reduces the flags so they fit in a 32 bit word again. On 64
bit systems there is still padding so it doesn't change the size
of an rbtnode. On 32 bit systems it reduces an rbtnode by 4 bytes.
This commit is contained in:
Tony Finch 2022-04-01 18:22:13 +01:00
parent ac2295ef84
commit cdd3d54bce
2 changed files with 1 additions and 5 deletions
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5
lib/dns/include/dns/rbt.h
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@ -97,12 +97,9 @@ struct dns_rbtnode {
unsigned int namelen : 8; /*%< range is 1..255 */
unsigned int offsetlen : 8; /*%< range is 1..128 */
unsigned int oldnamelen : 8; /*%< range is 1..255 */
unsigned int : 0; /* end of bitfields c/o tree lock */
/*@}*/
/* node needs to be cleaned from rpz */
unsigned int rpz : 1;
unsigned int : 0; /* end of bitfields c/o tree lock */
/*%
* These are needed for hashing. The 'uppernode' points to the
* node's superdomain node in the parent subtree, so that it can

1
lib/dns/rbt.c
View file

@ -1513,7 +1513,6 @@ create_node(isc_mem_t *mctx, const dns_name_t *name, dns_rbtnode_t **nodep) {
node->left = NULL;
node->down = NULL;
node->data = NULL;
node->rpz = 0;
node->hashnext = NULL;
node->hashval = 0;