Index: kernel/arch/ppc32/src/mm/tlb.c
===================================================================
--- kernel/arch/ppc32/src/mm/tlb.c	(revision 8f80c776122ce206c51851f4cac39bcd4a236d9a)
+++ kernel/arch/ppc32/src/mm/tlb.c	(revision 5954241521e2d445f3a765e39e6475e956edc93f)
@@ -209,5 +209,5 @@
  *
  */
-void pht_refill(int n, istate_t *istate)
+void pht_refill(unsigned int n, istate_t *istate)
 {
 	as_t *as = (AS == NULL) ? AS_KERNEL : AS;
@@ -260,5 +260,5 @@
  *
  */
-bool pht_refill_real(int n, istate_t *istate)
+bool pht_refill_real(unsigned int n, istate_t *istate)
 {
 	uintptr_t badvaddr;
@@ -366,5 +366,6 @@
  *
  */
-void tlb_refill_real(int n, uint32_t tlbmiss, ptehi_t ptehi, ptelo_t ptelo, istate_t *istate)
+void tlb_refill_real(unsigned int n, uint32_t tlbmiss, ptehi_t ptehi,
+    ptelo_t ptelo, istate_t *istate)
 {
 	uint32_t badvaddr = tlbmiss & 0xfffffffc;