1 files changed, 14 insertions, 6 deletions

diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 0d394e0e8837..88dc49cfa163 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -120,22 +120,30 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 
         if (cpu_context(cpu, mm) != 0) {
                 unsigned long size, flags;
+                int huge = is_vm_hugetlb_page(vma);
 
                 ENTER_CRITICAL(flags);
-                size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
-                size = (size + 1) >> 1;
+                if (huge) {
+                        start = round_down(start, HPAGE_SIZE);
+                        end = round_up(end, HPAGE_SIZE);
+                        size = (end - start) >> HPAGE_SHIFT;
+                } else {
+                        start = round_down(start, PAGE_SIZE << 1);
+                        end = round_up(end, PAGE_SIZE << 1);
+                        size = (end - start) >> (PAGE_SHIFT + 1);
+                }
                 if (size <= current_cpu_data.tlbsize/2) {
                         int oldpid = read_c0_entryhi();
                         int newpid = cpu_asid(cpu, mm);
 
-                        start &= (PAGE_MASK << 1);
-                        end += ((PAGE_SIZE << 1) - 1);
-                        end &= (PAGE_MASK << 1);
                         while (start < end) {
                                 int idx;
 
                                 write_c0_entryhi(start | newpid);
-                                start += (PAGE_SIZE << 1);
+                                if (huge)
+                                        start += HPAGE_SIZE;
+                                else
+                                        start += (PAGE_SIZE << 1);
                                 mtc0_tlbw_hazard();
                                 tlb_probe();
                                 tlb_probe_hazard();