write init more sensibly

+ Both easier to look at and now the userspace doesn't play as big of a
  role in the 'benchmarking' with optimizations turned on.

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/riscv64/kernel/vmem.c b/arch/riscv64/kernel/vmem.c
index a3903f1..15daa62 100644
--- a/arch/riscv64/kernel/vmem.c
+++ b/arch/riscv64/kernel/vmem.c
@@ -345,6 +345,8 @@ vm_t setup_kernel_io(struct vmem *b, vm_t paddr)
 }
 #endif
 
+/* something of an optimisation, letting the compiler know which parts to copy
+ * however it sees best */
 struct uvmem_map {
 	struct vmem *leaf[CSTACK_PAGE - 1];
 };