objcache: Make sure that percpu_objcache and depot are cache line aligned

Since percpu_objcache and depot are embedded in the objcache, so objcache
itself must be cache line aligned.

diff --git a/sys/kern/kern_objcache.c b/sys/kern/kern_objcache.c
index 0a36ee6..ba6dbc9 100644 (file)
--- a/sys/kern/kern_objcache.c
+++ b/sys/kern/kern_objcache.c
@@ -188,8 +188,9 @@ objcache_create(const char *name, int cluster_limit, int nom_cache,
        /*
         * Allocate object cache structure
         */
-       oc = kmalloc(__offsetof(struct objcache, cache_percpu[ncpus]),
-                   M_OBJCACHE, M_WAITOK | M_ZERO);
+       oc = kmalloc_cachealign(
+           __offsetof(struct objcache, cache_percpu[ncpus]),
+           M_OBJCACHE, M_WAITOK | M_ZERO);
        oc->name = kstrdup(name, M_TEMP);
        oc->ctor = ctor ? ctor : null_ctor;
        oc->dtor = dtor ? dtor : null_dtor;