x86: move some func calling from setup_arch to paging_init
those function depend on paging setup pgtable, so they could access
the ram in bootmem region but just get mapped.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 9bb35cf..20ca295 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -705,6 +705,23 @@
}
+/*
+ * The node 0 pgdat is initialized before all of these because
+ * it's needed for bootmem. node>0 pgdats have their virtual
+ * space allocated before the pagetables are in place to access
+ * them, so they can't be cleared then.
+ *
+ * This should all compile down to nothing when NUMA is off.
+ */
+static void __init remapped_pgdat_init(void)
+{
+ int nid;
+
+ for_each_online_node(nid) {
+ if (nid != 0)
+ memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
+ }
+}
/*
* paging_init() sets up the page tables - note that the first 8MB are
@@ -727,6 +744,18 @@
__flush_tlb_all();
kmap_init();
+
+ /*
+ * NOTE: at this point the bootmem allocator is fully available.
+ */
+
+ post_reserve_initrd();
+
+ remapped_pgdat_init();
+ sparse_init();
+ zone_sizes_init();
+
+ paravirt_post_allocator_init();
}
/*