X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fia64%2Fmm%2Finit.c;h=08d94e6bfa18bcd2bc823231e3a73944927bf041;hb=7835e98b2e3c66dba79cb0ff8ebb90a2fe030c29;hp=e3215ba64ffdac4f649d96f0e1724bac42395f28;hpb=1ef43204f4bd24dcd3156185b19b31b6b4151ae9;p=linux-2.6

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index e3215ba64f..08d94e6bfa 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -197,7 +197,7 @@ free_initmem (void)
 	eaddr = (unsigned long) ia64_imva(__init_end);
 	while (addr < eaddr) {
 		ClearPageReserved(virt_to_page(addr));
-		set_page_count(virt_to_page(addr), 1);
+		init_page_count(virt_to_page(addr));
 		free_page(addr);
 		++totalram_pages;
 		addr += PAGE_SIZE;
@@ -252,7 +252,7 @@ free_initrd_mem (unsigned long start, unsigned long end)
 			continue;
 		page = virt_to_page(start);
 		ClearPageReserved(page);
-		set_page_count(page, 1);
+		init_page_count(page);
 		free_page(start);
 		++totalram_pages;
 	}
@@ -635,3 +635,39 @@ mem_init (void)
 	ia32_mem_init();
 #endif
 }
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+void online_page(struct page *page)
+{
+	ClearPageReserved(page);
+	init_page_count(page);
+	__free_page(page);
+	totalram_pages++;
+	num_physpages++;
+}
+
+int add_memory(u64 start, u64 size)
+{
+	pg_data_t *pgdat;
+	struct zone *zone;
+	unsigned long start_pfn = start >> PAGE_SHIFT;
+	unsigned long nr_pages = size >> PAGE_SHIFT;
+	int ret;
+
+	pgdat = NODE_DATA(0);
+
+	zone = pgdat->node_zones + ZONE_NORMAL;
+	ret = __add_pages(zone, start_pfn, nr_pages);
+
+	if (ret)
+		printk("%s: Problem encountered in __add_pages() as ret=%d\n",
+		       __FUNCTION__,  ret);
+
+	return ret;
+}
+
+int remove_memory(u64 start, u64 size)
+{
+	return -EINVAL;
+}
+#endif