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mm/h8300: use common help functions to free reserved pages

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Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiang Liu 2013-04-29 15:06:38 -07:00 committed by Linus Torvalds
parent 0516f88452
commit 0f97580da0
1 changed files with 3 additions and 27 deletions
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30
arch/h8300/mm/init.c
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@ -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
}