* General routine to allocate a prime number sized hash table with control of * memory flags. */
| 111 | * memory flags. |
| 112 | */ |
| 113 | void * |
| 114 | phashinit_flags(int elements, struct malloc_type *type, u_long *nentries, int flags) |
| 115 | { |
| 116 | long hashsize, i; |
| 117 | LIST_HEAD(generic, generic) *hashtbl; |
| 118 | |
| 119 | KASSERT(elements > 0, ("%s: bad elements", __func__)); |
| 120 | /* Exactly one of HASH_WAITOK and HASH_NOWAIT must be set. */ |
| 121 | KASSERT((flags & HASH_WAITOK) ^ (flags & HASH_NOWAIT), |
| 122 | ("Bad flags (0x%x) passed to phashinit_flags", flags)); |
| 123 | |
| 124 | for (i = 1, hashsize = primes[1]; hashsize <= elements;) { |
| 125 | i++; |
| 126 | if (i == NPRIMES) |
| 127 | break; |
| 128 | hashsize = primes[i]; |
| 129 | } |
| 130 | hashsize = primes[i - 1]; |
| 131 | |
| 132 | hashtbl = malloc((u_long)hashsize * sizeof(*hashtbl), type, |
| 133 | hash_mflags(flags)); |
| 134 | if (hashtbl == NULL) |
| 135 | return (NULL); |
| 136 | |
| 137 | for (i = 0; i < hashsize; i++) |
| 138 | LIST_INIT(&hashtbl[i]); |
| 139 | *nentries = hashsize; |
| 140 | return (hashtbl); |
| 141 | } |
| 142 | |
| 143 | /* |
| 144 | * Allocate and initialize a prime number sized hash table with default flag: |
no test coverage detected