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| author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2014-09-30 03:58:43 +0200 |
|---|---|---|
| committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2014-09-30 09:15:08 +0200 |
| commit | 3a0fae39873c9c7d73dc978888e45b87ad27d44e (patch) | |
| tree | 061847ec497d24b684d7c1b14aa2e823295ebaba /ipc/ipc_table.h | |
| parent | 3166fe0edd4a5cf0d690c094f2fd06647ba380e5 (diff) | |
| download | gnumach-3a0fae39873c9c7d73dc978888e45b87ad27d44e.tar.gz gnumach-3a0fae39873c9c7d73dc978888e45b87ad27d44e.tar.bz2 gnumach-3a0fae39873c9c7d73dc978888e45b87ad27d44e.zip | |
ipc: use fast modulo operation in local hash table
* ipc/ipc_table.h: Document that table sizes must be powers of two.
* ipc/ipc_hash.c (IH_LOCAL_HASH): Use fast modulo operation.
Diffstat (limited to 'ipc/ipc_table.h')
| -rw-r--r-- | ipc/ipc_table.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/ipc_table.h b/ipc/ipc_table.h index 3cc5f561..311b9a78 100644 --- a/ipc/ipc_table.h +++ b/ipc/ipc_table.h @@ -45,6 +45,8 @@ * an ipc_table_size structure. These structures must * be elements of an array, ipc_table_entries. * + * Every its_size value must must be a power of two. + * * The array must end with two elements with the same its_size value. * Except for the terminating element, the its_size values must * be strictly increasing. The largest (last) its_size value |