x86: don't call e820_regiter_active_regions if out of range on node

so we don't get warning on 32bit system with 64g RAM or more

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index 1eb2973a301ce4552e931fb1968a27ae46771fd0..16ae70fc57e77928e56347adea7b48ac08b4e6e1 100644 (file)
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -178,7 +178,7 @@ void acpi_numa_arch_fixup(void)
  * start of the node, and that the current "end" address is after
  * the previous one.
  */
-static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_chunk)
+static __init int node_read_chunk(int nid, struct node_memory_chunk_s *memory_chunk)
 {
        /*
         * Only add present memory as told by the e820.
@@ -189,10 +189,10 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
        if (memory_chunk->start_pfn >= max_pfn) {
                printk(KERN_INFO "Ignoring SRAT pfns: %08lx - %08lx\n",
                        memory_chunk->start_pfn, memory_chunk->end_pfn);
-               return;
+               return -1;
        }
        if (memory_chunk->nid != nid)
-               return;
+               return -1;
 
        if (!node_has_online_mem(nid))
                node_start_pfn[nid] = memory_chunk->start_pfn;
@@ -202,6 +202,8 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
 
        if (node_end_pfn[nid] < memory_chunk->end_pfn)
                node_end_pfn[nid] = memory_chunk->end_pfn;
+
+       return 0;
 }
 
 int __init get_memcfg_from_srat(void)
@@ -259,7 +261,9 @@ int __init get_memcfg_from_srat(void)
                printk(KERN_DEBUG
                        "chunk %d nid %d start_pfn %08lx end_pfn %08lx\n",
                       j, chunk->nid, chunk->start_pfn, chunk->end_pfn);
-               node_read_chunk(chunk->nid, chunk);
+               if (node_read_chunk(chunk->nid, chunk))
+                       continue;
+
                e820_register_active_regions(chunk->nid, chunk->start_pfn,
                                             min(chunk->end_pfn, max_pfn));
        }