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-rw-r--r--arch/powerpc/mm/mem.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 57e545b84bf1..097b288779e2 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -337,8 +337,9 @@ void __init mem_init(void)
highmem_mapnr = lowmem_end_addr >> PAGE_SHIFT;
for (pfn = highmem_mapnr; pfn < max_mapnr; ++pfn) {
+ phys_addr_t paddr = (phys_addr_t)pfn << PAGE_SHIFT;
struct page *page = pfn_to_page(pfn);
- if (memblock_is_reserved(pfn << PAGE_SHIFT))
+ if (memblock_is_reserved(paddr))
continue;
ClearPageReserved(page);
init_page_count(page);