Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang....@huawei.com>
Cc: Guan Xuetao <g...@mprc.pku.edu.cn>
---
arch/unicore32/mm/init.c | 28 +++-------------------------
1 file changed, 3 insertions(+), 25 deletions(-)
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index de186bd..c5817b0 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -313,24 +313,6 @@ void __init bootmem_init(void)
max_pfn = max_high - PHYS_PFN_OFFSET;
}
-static inline int free_area(unsigned long pfn, unsigned long end, char *s)
-{
- unsigned int pages = 0, size = (end - pfn) << (PAGE_SHIFT - 10);
-
- for (; pfn < end; pfn++) {
- struct page *page = pfn_to_page(pfn);
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- pages++;
- }
-
- if (size && s)
- printk(KERN_INFO "Freeing %s memory: %dK\n", s, size);
-
- return pages;
-}
-
static inline void
free_memmap(unsigned long start_pfn, unsigned long end_pfn)
{
@@ -404,9 +386,9 @@ void __init mem_init(void)
max_mapnr = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map;
- /* this will put all unused low memory onto the freelists */
free_unused_memmap(&meminfo);
+ /* this will put all unused low memory onto the freelists */
totalram_pages += free_all_bootmem();
reserved_pages = free_pages = 0;
@@ -491,9 +473,7 @@ void __init mem_init(void)
void free_initmem(void)
{
- totalram_pages += free_area(__phys_to_pfn(__pa(__init_begin)),
- __phys_to_pfn(__pa(__init_end)),
- "init");
+ free_initmem_default(0);
}
#ifdef CONFIG_BLK_DEV_INITRD
@@ -503,9 +483,7 @@ static int keep_initrd;
void free_initrd_mem(unsigned long start, unsigned long end)
{
if (!keep_initrd)
- totalram_pages += free_area(__phys_to_pfn(__pa(start)),
- __phys_to_pfn(__pa(end)),
- "initrd");
+ free_reserved_area(start, end, 0, "initrd");
}
static int __init keepinitrd_setup(char *__unused)
--
1.7.9.5
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