Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip:
  x86: Fix double enable_IR_x2apic() call on SMP kernel on !SMP boards
  x86: Increase CONFIG_NODES_SHIFT max to 10
  ibft, x86: Change reserve_ibft_region() to find_ibft_region()
  x86, hpet: Fix bug in RTC emulation
  x86, hpet: Erratum workaround for read after write of HPET comparator
  bootmem, x86: Fix 32bit numa system without RAM on node 0
  nobootmem, x86: Fix 32bit numa system without RAM on node 0
  x86: Handle overlapping mptables
  x86: Make e820_remove_range to handle all covered case
  x86-32, resume: do a global tlb flush in S4 resume

1 files changed, 15 insertions, 2 deletions

diff --git a/mm/bootmem.c b/mm/bootmem.c
index eff224220571..58c66cc5056a 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -304,9 +304,22 @@ unsigned long __init free_all_bootmem_node(pg_data_t *pgdat)
 unsigned long __init free_all_bootmem(void)
 {
 #ifdef CONFIG_NO_BOOTMEM
-        return free_all_memory_core_early(NODE_DATA(0)->node_id);
+        /*
+         * We need to use MAX_NUMNODES instead of NODE_DATA(0)->node_id
+         *  because in some case like Node0 doesnt have RAM installed
+         *  low ram will be on Node1
+         * Use MAX_NUMNODES will make sure all ranges in early_node_map[]
+         *  will be used instead of only Node0 related
+         */
+        return free_all_memory_core_early(MAX_NUMNODES);
 #else
-        return free_all_bootmem_core(NODE_DATA(0)->bdata);
+        unsigned long total_pages = 0;
+        bootmem_data_t *bdata;
+
+        list_for_each_entry(bdata, &bdata_list, list)
+                total_pages += free_all_bootmem_core(bdata);
+
+        return total_pages;
 #endif
 }