1 files changed, 81 insertions, 0 deletions
diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c
new file mode 100644
index 00000000..d72ab58f
--- /dev/null
+++ b/arch/cris/mm/init.c
@@ -0,0 +1,81 @@
+/*
+ *  linux/arch/cris/mm/init.c
+ *
+ *  Copyright (C) 1995  Linus Torvalds
+ *  Copyright (C) 2000,2001  Axis Communications AB
+ *
+ *  Authors:  Bjorn Wesen (bjornw@axis.com)
+ *
+ */
+
+#include <linux/gfp.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <asm/tlb.h>
+
+unsigned long empty_zero_page;
+
+extern char _stext, _edata, _etext; /* From linkerscript */
+extern char __init_begin, __init_end;
+
+void __init
+mem_init(void)
+{
+	int codesize, reservedpages, datasize, initsize;
+	unsigned long tmp;
+
+	BUG_ON(!mem_map);
+
+	/* max/min_low_pfn was set by setup.c
+	 * now we just copy it to some other necessary places...
+	 *
+	 * high_memory was also set in setup.c
+	 */
+
+	max_mapnr = num_physpages = max_low_pfn - min_low_pfn;
+ 
+	/* this will put all memory onto the freelists */
+        totalram_pages = free_all_bootmem();
+
+	reservedpages = 0;
+	for (tmp = 0; tmp < max_mapnr; tmp++) {
+		/*
+                 * Only count reserved RAM pages
+                 */
+		if (PageReserved(mem_map + tmp))
+			reservedpages++;
+	}
+
+	codesize =  (unsigned long) &_etext - (unsigned long) &_stext;
+        datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
+        initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
+	
+        printk(KERN_INFO
+               "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, "
+	       "%dk init)\n" ,
+	       nr_free_pages() << (PAGE_SHIFT-10),
+	       max_mapnr << (PAGE_SHIFT-10),
+	       codesize >> 10,
+	       reservedpages << (PAGE_SHIFT-10),
+	       datasize >> 10,
+	       initsize >> 10
+               );
+}
+
+/* free the pages occupied by initialization code */
+
+void 
+free_initmem(void)
+{
+        unsigned long addr;
+
+        addr = (unsigned long)(&__init_begin);
+        for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
+                ClearPageReserved(virt_to_page(addr));
+                init_page_count(virt_to_page(addr));
+                free_page(addr);
+                totalram_pages++;
+        }
+        printk (KERN_INFO "Freeing unused kernel memory: %luk freed\n",
+		(unsigned long)((&__init_end - &__init_begin) >> 10));
+}