5 files changed, 13 insertions, 17 deletions

diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index 1695378b3c5b..99425f2be708 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -51,7 +51,6 @@ struct rhash_head {
  * @size: Number of hash buckets
  * @rehash: Current bucket being rehashed
  * @hash_rnd: Random seed to fold into hash
- * @shift: Current size (1 << shift)
  * @locks_mask: Mask to apply before accessing locks[]
  * @locks: Array of spinlocks protecting individual buckets
  * @walkers: List of active walkers
@@ -63,7 +62,6 @@ struct bucket_table {
         unsigned int            size;
         unsigned int            rehash;
         u32                     hash_rnd;
-        u32                     shift;
         unsigned int            locks_mask;
         spinlock_t              *locks;
         struct list_head        walkers;
@@ -85,8 +83,8 @@ struct rhashtable;
  * @key_len: Length of key
  * @key_offset: Offset of key in struct to be hashed
  * @head_offset: Offset of rhash_head in struct to be hashed
- * @max_shift: Maximum number of shifts while expanding
- * @min_shift: Minimum number of shifts while shrinking
+ * @max_size: Maximum size while expanding
+ * @min_size: Minimum size while shrinking
  * @nulls_base: Base value to generate nulls marker
  * @locks_mul: Number of bucket locks to allocate per cpu (default: 128)
  * @hashfn: Function to hash key
@@ -97,8 +95,8 @@ struct rhashtable_params {
         size_t                  key_len;
         size_t                  key_offset;
         size_t                  head_offset;
-        size_t                  max_shift;
-        size_t                  min_shift;
+        unsigned int            max_size;
+        unsigned int            min_size;
         u32                     nulls_base;
         size_t                  locks_mul;
         rht_hashfn_t            hashfn;
diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index 09a7ada89ade..5f8fe3e88219 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -27,7 +27,7 @@
 #include <linux/err.h>
 
 #define HASH_DEFAULT_SIZE       64UL
-#define HASH_MIN_SIZE           4UL
+#define HASH_MIN_SIZE           4U
 #define BUCKET_LOCKS_PER_CPU   128UL
 
 /* Base bits plus 1 bit for nulls marker */
@@ -162,7 +162,6 @@ static struct bucket_table *bucket_table_alloc(struct rhashtable *ht,
                 return NULL;
 
         tbl->size = nbuckets;
-        tbl->shift = ilog2(nbuckets);
 
         if (alloc_bucket_locks(ht, tbl) < 0) {
                 bucket_table_free(tbl);
@@ -189,7 +188,7 @@ static bool rht_grow_above_75(const struct rhashtable *ht,
 {
         /* Expand table when exceeding 75% load */
         return atomic_read(&ht->nelems) > (tbl->size / 4 * 3) &&
-               (!ht->p.max_shift || tbl->shift < ht->p.max_shift);
+               (!ht->p.max_size || tbl->size < ht->p.max_size);
 }
 
 /**
@@ -202,7 +201,7 @@ static bool rht_shrink_below_30(const struct rhashtable *ht,
 {
         /* Shrink table beneath 30% load */
         return atomic_read(&ht->nelems) < (tbl->size * 3 / 10) &&
-               tbl->shift > ht->p.min_shift;
+               tbl->size > ht->p.min_size;
 }
 
 static int rhashtable_rehash_one(struct rhashtable *ht, unsigned old_hash)
@@ -874,7 +873,7 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_stop);
 static size_t rounded_hashtable_size(struct rhashtable_params *params)
 {
         return max(roundup_pow_of_two(params->nelem_hint * 4 / 3),
-                   1UL << params->min_shift);
+                   (unsigned long)params->min_size);
 }
 
 /**
@@ -934,8 +933,7 @@ int rhashtable_init(struct rhashtable *ht, struct rhashtable_params *params)
         if (params->nulls_base && params->nulls_base < (1U << RHT_BASE_SHIFT))
                 return -EINVAL;
 
-        params->min_shift = max_t(size_t, params->min_shift,
-                                  ilog2(HASH_MIN_SIZE));
+        params->min_size = max(params->min_size, HASH_MIN_SIZE);
 
         if (params->nelem_hint)
                 size = rounded_hashtable_size(params);
diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index 16974fd89e4e..2bc403d8f9ee 100644
--- a/lib/test_rhashtable.c
+++ b/lib/test_rhashtable.c
@@ -201,7 +201,7 @@ static int __init test_rht_init(void)
                 .key_offset = offsetof(struct test_obj, value),
                 .key_len = sizeof(int),
                 .hashfn = jhash,
-                .max_shift = 1, /* we expand/shrink manually here */
+                .max_size = 2, /* we expand/shrink manually here */
                 .nulls_base = (3U << RHT_BASE_SHIFT),
         };
         int err;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 6b0f21950e09..d97aed628bda 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -3123,7 +3123,7 @@ static int __init netlink_proto_init(void)
                 .key_offset = offsetof(struct netlink_sock, portid),
                 .key_len = sizeof(u32), /* portid */
                 .hashfn = jhash,
-                .max_shift = 16, /* 64K */
+                .max_size = 65536,
         };
 
         if (err != 0)
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 813847d25a49..d7a6c10202e9 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -2286,8 +2286,8 @@ int tipc_sk_rht_init(struct net *net)
                 .key_offset = offsetof(struct tipc_sock, portid),
                 .key_len = sizeof(u32), /* portid */
                 .hashfn = jhash,
-                .max_shift = 20, /* 1M */
-                .min_shift = 8,  /* 256 */
+                .max_size = 1048576,
+                .min_size = 256,
         };
 
         return rhashtable_init(&tn->sk_rht, &rht_params);