Blackfin arch: combine the common code of free_initrd_mem and free_initmem
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index 2d12449..68459cc 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -168,42 +168,31 @@
}
}
+static __init void free_init_pages(const char *what, unsigned long begin, unsigned long end)
+{
+ unsigned long addr;
+ /* next to check that the page we free is not a partial page */
+ 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_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)
{
- 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);
+ free_init_pages("initrd memory", start, end);
}
#endif
void __init free_initmem(void)
{
#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) {
- 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));
+ free_init_pages("unused kernel memory",
+ (unsigned long)(&__init_begin),
+ (unsigned long)(&__init_end));
#endif
}