X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fbootmem.c;h=e8fb927392b9ac02b4ad16878847551d103a1b43;hb=3f6602ad56dc538a846367bd6a05ac7ac4d3e641;hp=b6791646143e9a24e7aeaacef415e572e619da45;hpb=064922a805ec7aadfafdd27aa6b4908d737c3c1d;p=linux-2.6

diff --git a/mm/bootmem.c b/mm/bootmem.c
index b679164614..e8fb927392 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -461,6 +461,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
 
 unsigned long __init free_all_bootmem_node(pg_data_t *pgdat)
 {
+	register_page_bootmem_info_node(pgdat);
 	return free_all_bootmem_core(pgdat);
 }
 
@@ -544,6 +545,37 @@ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
 	return __alloc_bootmem(size, align, goal);
 }
 
+#ifdef CONFIG_SPARSEMEM
+void * __init alloc_bootmem_section(unsigned long size,
+				    unsigned long section_nr)
+{
+	void *ptr;
+	unsigned long limit, goal, start_nr, end_nr, pfn;
+	struct pglist_data *pgdat;
+
+	pfn = section_nr_to_pfn(section_nr);
+	goal = PFN_PHYS(pfn);
+	limit = PFN_PHYS(section_nr_to_pfn(section_nr + 1)) - 1;
+	pgdat = NODE_DATA(early_pfn_to_nid(pfn));
+	ptr = __alloc_bootmem_core(pgdat->bdata, size, SMP_CACHE_BYTES, goal,
+				   limit);
+
+	if (!ptr)
+		return NULL;
+
+	start_nr = pfn_to_section_nr(PFN_DOWN(__pa(ptr)));
+	end_nr = pfn_to_section_nr(PFN_DOWN(__pa(ptr) + size));
+	if (start_nr != section_nr || end_nr != section_nr) {
+		printk(KERN_WARNING "alloc_bootmem failed on section %ld.\n",
+		       section_nr);
+		free_bootmem_core(pgdat->bdata, __pa(ptr), size);
+		ptr = NULL;
+	}
+
+	return ptr;
+}
+#endif
+
 #ifndef ARCH_LOW_ADDRESS_LIMIT
 #define ARCH_LOW_ADDRESS_LIMIT	0xffffffffUL
 #endif