diff options
| -rw-r--r-- | sys/kern/kern_conf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/kern/kern_conf.c b/sys/kern/kern_conf.c index 58dc63f944ca..3f4946494412 100644 --- a/sys/kern/kern_conf.c +++ b/sys/kern/kern_conf.c @@ -51,7 +51,14 @@ static int bmaj2cmaj[NUMCDEVSW]; MALLOC_DEFINE(M_DEVT, "dev_t", "dev_t storage"); +/* + * This is the number of hash-buckets. Experiements with 'real-life' + * udev_t's show that a prime halfway between two powers of two works + * best. + */ #define DEVT_HASH 83 + +/* The number of dev_t's we can create before malloc(9) kick in. */ #define DEVT_STASH 50 static struct specinfo devt_stash[DEVT_STASH]; |