slabmem doesn't need to be extern

kmems still does for inittls.

slabmem doesn't need to be extern
6a5aee25 · Austin Clements · 1e043e92 · 6a5aee25
--- a/include/kalloc.hh
+++ b/include/kalloc.hh
@@ -72,4 +72,3 @@ enum {
 };
 extern percpu<kmem> kmems;
-extern percpu<kmem> slabmem[slab_type_max];