powerpc: Fix bootmem reservation on uninitialized node

[linux-2.6-omap-h63xx.git] / arch / powerpc / mm / numa.c

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index a8397bbad3d4d54a5cd50ae9ee201118c767d1d4..cf81049e1e51a0ce98d0ebdf9b7a74d5901de211 100644 (file)
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -901,10 +901,17 @@ static void mark_reserved_regions_for_nid(int nid)
                        if (end_pfn > node_ar.end_pfn)
                                reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
                                        - (start_pfn << PAGE_SHIFT);
-                       dbg("reserve_bootmem %lx %lx nid=%d\n", physbase,
-                               reserve_size, node_ar.nid);
-                       reserve_bootmem_node(NODE_DATA(node_ar.nid), physbase,
-                                               reserve_size, BOOTMEM_DEFAULT);
+                       /*
+                        * Only worry about *this* node, others may not
+                        * yet have valid NODE_DATA().
+                        */
+                       if (node_ar.nid == nid) {
+                               dbg("reserve_bootmem %lx %lx nid=%d\n",
+                                       physbase, reserve_size, node_ar.nid);
+                               reserve_bootmem_node(NODE_DATA(node_ar.nid),
+                                               physbase, reserve_size,
+                                               BOOTMEM_DEFAULT);
+                       }
                        /*
                         * if reserved region is contained in the active region
                         * then done.
@@ -929,7 +936,6 @@ static void mark_reserved_regions_for_nid(int nid)
 void __init do_init_bootmem(void)
 {
        int nid;
-       unsigned int i;
 
        min_low_pfn = 0;
        max_low_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT;