X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fsparse.c;h=3047bf06c1f3256bd59965fc064a32b439135369;hb=75ecb1a4d148b274aa9acd1d6ccaca0a4654784e;hp=6f3fff907bc25719926d0e91f4b0ea70335b4447;hpb=6ec129c3a2f8b38bc37e42348470ccfcb7460146;p=linux-2.6

diff --git a/mm/sparse.c b/mm/sparse.c
index 6f3fff907b..3047bf06c1 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -44,7 +44,7 @@ EXPORT_SYMBOL(page_to_nid);
 #endif
 
 #ifdef CONFIG_SPARSEMEM_EXTREME
-static struct mem_section noinline *sparse_index_alloc(int nid)
+static struct mem_section noinline __init_refok *sparse_index_alloc(int nid)
 {
 	struct mem_section *section = NULL;
 	unsigned long array_size = SECTIONS_PER_ROOT *
@@ -209,6 +209,12 @@ static int __meminit sparse_init_one_section(struct mem_section *ms,
 	return 1;
 }
 
+__attribute__((weak)) __init
+void *alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size)
+{
+	return NULL;
+}
+
 static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
 {
 	struct page *map;
@@ -219,6 +225,11 @@ static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
 	if (map)
 		return map;
 
+  	map = alloc_bootmem_high_node(NODE_DATA(nid),
+                       sizeof(struct page) * PAGES_PER_SECTION);
+	if (map)
+		return map;
+
 	map = alloc_bootmem_node(NODE_DATA(nid),
 			sizeof(struct page) * PAGES_PER_SECTION);
 	if (map)
@@ -229,6 +240,27 @@ static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
 	return NULL;
 }
 
+/*
+ * Allocate the accumulated non-linear sections, allocate a mem_map
+ * for each and record the physical to section mapping.
+ */
+void __init sparse_init(void)
+{
+	unsigned long pnum;
+	struct page *map;
+
+	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
+		if (!valid_section_nr(pnum))
+			continue;
+
+		map = sparse_early_mem_map_alloc(pnum);
+		if (!map)
+			continue;
+		sparse_init_one_section(__nr_to_section(pnum), pnum, map);
+	}
+}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
 static struct page *__kmalloc_section_memmap(unsigned long nr_pages)
 {
 	struct page *page, *ret;
@@ -268,27 +300,6 @@ static void __kfree_section_memmap(struct page *memmap, unsigned long nr_pages)
 			   get_order(sizeof(struct page) * nr_pages));
 }
 
-/*
- * Allocate the accumulated non-linear sections, allocate a mem_map
- * for each and record the physical to section mapping.
- */
-void __init sparse_init(void)
-{
-	unsigned long pnum;
-	struct page *map;
-
-	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
-		if (!valid_section_nr(pnum))
-			continue;
-
-		map = sparse_early_mem_map_alloc(pnum);
-		if (!map)
-			continue;
-		sparse_init_one_section(__nr_to_section(pnum), pnum, map);
-	}
-}
-
-#ifdef CONFIG_MEMORY_HOTPLUG
 /*
  * returns the number of sections whose mem_maps were properly
  * set.  If this is <=0, then that means that the passed-in