[PATCH 1/4] rhashtable: remove outdated comments about grow_decision etc

NeilBrown
2018-04-23T22:29:13Z

grow_decision and shink_decision no longer exist, so remove
the remaining references to them.

Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: NeilBrown <neilb@suse.com>
---
include/linux/rhashtable.h | 33 ++++++++++++++-------------------
1 file changed, 14 insertions(+), 19 deletions(-)

diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index 1f8ad121eb43..87d443a5b11d 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -836,9 +836,8 @@ static inline void *__rhashtable_insert_fast(
*
* It is safe to call this function from atomic context.
*
- * Will trigger an automatic deferred table resizing if the size grows
- * beyond the watermark indicated by grow_decision() which can be passed
- * to rhashtable_init().
+ * Will trigger an automatic deferred table resizing if residency in the
+ * table grows beyond 70%.
*/
static inline int rhashtable_insert_fast(
struct rhashtable *ht, struct rhash_head *obj,
@@ -866,9 +865,8 @@ static inline int rhashtable_insert_fast(
*
* It is safe to call this function from atomic context.
*
- * Will trigger an automatic deferred table resizing if the size grows
- * beyond the watermark indicated by grow_decision() which can be passed
- * to rhashtable_init().
+ * Will trigger an automatic deferred table resizing if residency in the
+ * table grows beyond 70%.
*/
static inline int rhltable_insert_key(
struct rhltable *hlt, const void *key, struct rhlist_head *list,
@@ -890,9 +888,8 @@ static inline int rhltable_insert_key(
*
* It is safe to call this function from atomic context.
*
- * Will trigger an automatic deferred table resizing if the size grows
- * beyond the watermark indicated by grow_decision() which can be passed
- * to rhashtable_init().
+ * Will trigger an automatic deferred table resizing if residency in the
+ * table grows beyond 70%.
*/
static inline int rhltable_insert(
struct rhltable *hlt, struct rhlist_head *list,
@@ -922,9 +919,8 @@ static inline int rhltable_insert(
*
* It is safe to call this function from atomic context.
*
- * Will trigger an automatic deferred table resizing if the size grows
- * beyond the watermark indicated by grow_decision() which can be passed
- * to rhashtable_init().
+ * Will trigger an automatic deferred table resizing if residency in the
+ * table grows beyond 70%.
*/
static inline int rhashtable_lookup_insert_fast(
struct rhashtable *ht, struct rhash_head *obj,
@@ -981,9 +977,8 @@ static inline void *rhashtable_lookup_get_insert_fast(
*
* Lookups may occur in parallel with hashtable mutations and resizing.
*
- * Will trigger an automatic deferred table resizing if the size grows
- * beyond the watermark indicated by grow_decision() which can be passed
- * to rhashtable_init().
+ * Will trigger an automatic deferred table resizing if residency in the
+ * table grows beyond 70%.
*
* Returns zero on success.
*/
@@ -1134,8 +1129,8 @@ static inline int __rhashtable_remove_fast(
* walk the bucket chain upon removal. The removal operation is thus
* considerable slow if the hash table is not correctly sized.
*
- * Will automatically shrink the table via rhashtable_expand() if the
- * shrink_decision function specified at rhashtable_init() returns true.
+ * Will automatically shrink the table if permitted when residency drops
+ * below 30%.
*
* Returns zero on success, -ENOENT if the entry could not be found.
*/
@@ -1156,8 +1151,8 @@ static inline int rhashtable_remove_fast(
* walk the bucket chain upon removal. The removal operation is thus
* considerable slow if the hash table is not correctly sized.
*
- * Will automatically shrink the table via rhashtable_expand() if the
- * shrink_decision function specified at rhashtable_init() returns true.
+ * Will automatically shrink the table if permitted when residency drops
+ * below 30%
*
* Returns zero on success, -ENOENT if the entry could not be found.
*/