1 files changed, 7 insertions, 2 deletions

diff --git a/mm/bootmem.c b/mm/bootmem.c
index 260e703850d8..f82f7aebbee3 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -256,6 +256,7 @@ found:
 static unsigned long __init free_all_bootmem_core(pg_data_t *pgdat)
 {
         struct page *page;
+        unsigned long pfn;
         bootmem_data_t *bdata = pgdat->bdata;
         unsigned long i, count, total = 0;
         unsigned long idx;
@@ -266,7 +267,7 @@ static unsigned long __init free_all_bootmem_core(pg_data_t *pgdat)
 
         count = 0;
         /* first extant page of the node */
-        page = virt_to_page(phys_to_virt(bdata->node_boot_start));
+        pfn = bdata->node_boot_start >> PAGE_SHIFT;
         idx = bdata->node_low_pfn - (bdata->node_boot_start >> PAGE_SHIFT);
         map = bdata->node_bootmem_map;
         /* Check physaddr is O(LOG2(BITS_PER_LONG)) page aligned */
@@ -275,9 +276,11 @@ static unsigned long __init free_all_bootmem_core(pg_data_t *pgdat)
                 gofast = 1;
         for (i = 0; i < idx; ) {
                 unsigned long v = ~map[i / BITS_PER_LONG];
+
                 if (gofast && v == ~0UL) {
                         int j, order;
 
+                        page = pfn_to_page(pfn);
                         count += BITS_PER_LONG;
                         __ClearPageReserved(page);
                         order = ffs(BITS_PER_LONG) - 1;
@@ -292,6 +295,8 @@ static unsigned long __init free_all_bootmem_core(pg_data_t *pgdat)
                         page += BITS_PER_LONG;
                 } else if (v) {
                         unsigned long m;
+
+                        page = pfn_to_page(pfn);
                         for (m = 1; m && i < idx; m<<=1, page++, i++) {
                                 if (v & m) {
                                         count++;
@@ -302,8 +307,8 @@ static unsigned long __init free_all_bootmem_core(pg_data_t *pgdat)
                         }
                 } else {
                         i+=BITS_PER_LONG;
-                        page += BITS_PER_LONG;
                 }
+                pfn += BITS_PER_LONG;
         }
         total += count;