Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
---
arch/h8300/mm/init.c | 30 +++---------------------------
1 file changed, 3 insertions(+), 27 deletions(-)
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 981e250..ff349d7 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -139,7 +139,7 @@ void __init mem_init(void)
start_mem = PAGE_ALIGN(start_mem);
max_mapnr = num_physpages = MAP_NR(high_memory);
- /* this will put all memory onto the freelists */
+ /* this will put all low memory onto the freelists */
totalram_pages = free_all_bootmem();
codek = (_etext - _stext) >> 10;
@@ -161,15 +161,7 @@ void __init mem_init(void)
#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 ("Freeing initrd memory: %dk freed\n", pages);
+ free_reserved_area(start, end, 0, "initrd");
}
#endif
@@ -177,23 +169,7 @@ void
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_INFO "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_initmem_default(0);
#endif
}
--
1.7.9.5
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