x86-64, numa: Allocate memnodemap under max_pfn_mapped

We need to access it right way, so make sure that it is mapped already.

Prepare to put page table on local node, and nodemap is used before that.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4D1933C8.7060105@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 7762a517d69d9233a7a6e419a5eaa9ae6c94ee53..02d36ff85ebdce64e28b831fead7ef3002f8be9e 100644 (file)
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -87,7 +87,7 @@ static int __init allocate_cachealigned_memnodemap(void)
 
        addr = 0x8000;
        nodemap_size = roundup(sizeof(s16) * memnodemapsize, L1_CACHE_BYTES);
-       nodemap_addr = memblock_find_in_range(addr, max_pfn<<PAGE_SHIFT,
+       nodemap_addr = memblock_find_in_range(addr, get_max_mapped(),
                                      nodemap_size, L1_CACHE_BYTES);
        if (nodemap_addr == MEMBLOCK_ERROR) {
                printk(KERN_ERR