* Description:
*
* Modified:
- * Copyright 2004-2006 Analog Devices Inc.
+ * Copyright 2004-2007 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
#include <linux/swap.h>
#include <linux/bootmem.h>
+#include <linux/uaccess.h>
#include <asm/bfin-global.h>
-#include <asm/uaccess.h>
#include <asm/l1layout.h>
#include "blackfin_sram.h"
unsigned long empty_zero_page;
-void show_mem(void)
+void __init show_mem(void)
{
unsigned long i;
int free = 0, total = 0, reserved = 0, shared = 0;
* The parameters are pointers to where to stick the starting and ending
* addresses of available kernel virtual memory.
*/
-void paging_init(void)
+void __init paging_init(void)
{
/*
* make sure start_mem is page aligned, otherwise bootmem and
{
unsigned long zones_size[MAX_NR_ZONES] = { 0, };
- zones_size[ZONE_NORMAL] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
+ zones_size[ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
+ zones_size[ZONE_NORMAL] = 0;
#ifdef CONFIG_HIGHMEM
zones_size[ZONE_HIGHMEM] = 0;
#endif
}
}
-void mem_init(void)
+void __init mem_init(void)
{
unsigned int codek = 0, datak = 0, initk = 0;
unsigned long tmp;
}
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- int pages = 0;
- for (; start < end; start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(start));
- init_page_count(virt_to_page(start));
- free_page(start);
- totalram_pages++;
- pages++;
- }
- printk(KERN_NOTICE "Freeing initrd memory: %dk freed\n", pages);
-}
-#endif
-
-void free_initmem(void)
+static __init void free_init_pages(const char *what, unsigned long begin, unsigned long end)
{
-#ifdef CONFIG_RAMKERNEL
unsigned long addr;
-/*
- * the following code should be cool even if these sections
- * are not page aligned.
- */
- addr = PAGE_ALIGN((unsigned long)(__init_begin));
/* next to check that the page we free is not a partial page */
- for (; addr + PAGE_SIZE < (unsigned long)(__init_end);
- addr += PAGE_SIZE) {
+ for (addr = begin; addr + PAGE_SIZE <= end; addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
- printk(KERN_NOTICE
- "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n",
- (addr - PAGE_ALIGN((long)__init_begin)) >> 10,
- (int)(PAGE_ALIGN((unsigned long)(__init_begin))),
- (int)(addr - PAGE_SIZE));
+ printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
+}
+
+#ifdef CONFIG_BLK_DEV_INITRD
+void __init free_initrd_mem(unsigned long start, unsigned long end)
+{
+ free_init_pages("initrd memory", start, end);
+}
+#endif
+
+void __init free_initmem(void)
+{
+#ifdef CONFIG_RAMKERNEL
+ free_init_pages("unused kernel memory",
+ (unsigned long)(&__init_begin),
+ (unsigned long)(&__init_end));
#endif
}