diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index d0ec887..1f07f70 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -566,6 +566,13 @@
 	if (len > TASK_SIZE)
 		return -ENOMEM;
 
+	/* handle fixed mapping: prevent overlap with huge pages */
+	if (flags & MAP_FIXED) {
+		if (is_hugepage_only_range(mm, addr, len))
+			return -EINVAL;
+		return addr;
+	}
+
 	if (addr) {
 		addr = PAGE_ALIGN(addr);
 		vma = find_vma(mm, addr);
@@ -641,6 +648,13 @@
 	if (len > TASK_SIZE)
 		return -ENOMEM;
 
+	/* handle fixed mapping: prevent overlap with huge pages */
+	if (flags & MAP_FIXED) {
+		if (is_hugepage_only_range(mm, addr, len))
+			return -EINVAL;
+		return addr;
+	}
+
 	/* dont allow allocations above current base */
 	if (mm->free_area_cache > base)
 		mm->free_area_cache = base;
@@ -823,6 +837,13 @@
 	/* Paranoia, caller should have dealt with this */
 	BUG_ON((addr + len)  < addr);
 
+	/* Handle MAP_FIXED */
+	if (flags & MAP_FIXED) {
+		if (prepare_hugepage_range(addr, len, pgoff))
+			return -EINVAL;
+		return addr;
+	}
+
 	if (test_thread_flag(TIF_32BIT)) {
 		curareas = current->mm->context.low_htlb_areas;