提交 7932f61b 编写于 作者: J Jiang Liu 提交者: Linus Torvalds

mm/openrisc: use common help functions to free reserved pages

Use common help functions to free reserved pages.
Also include <asm/sections.h> to avoid local declarations.
Signed-off-by: NJiang Liu <jiang.liu@huawei.com>
Cc: Jonas Bonn <jonas@southpole.se>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 32ce0120
......@@ -43,6 +43,7 @@
#include <asm/kmap_types.h>
#include <asm/fixmap.h>
#include <asm/tlbflush.h>
#include <asm/sections.h>
int mem_init_done;
......@@ -201,9 +202,6 @@ void __init paging_init(void)
/* References to section boundaries */
extern char _stext, _etext, _edata, __bss_start, _end;
extern char __init_begin, __init_end;
static int __init free_pages_init(void)
{
int reservedpages, pfn;
......@@ -263,30 +261,11 @@ void __init mem_init(void)
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
printk(KERN_INFO "Freeing initrd memory: %ldk freed\n",
(end - start) >> 10);
for (; start < end; start += PAGE_SIZE) {
ClearPageReserved(virt_to_page(start));
init_page_count(virt_to_page(start));
free_page(start);
totalram_pages++;
}
free_reserved_area(start, end, 0, "initrd");
}
#endif
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 -
(unsigned long)&__init_begin) >> 10);
free_initmem_default(0);
}
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册