From: Jiang Liu <liuj97@gmail.com>
Date: Mon, 29 Apr 2013 22:06:52 +0000 (-0700)
Subject: mm/unicore32: use common help functions to free reserved pages
X-Git-Tag: firefly_0821_release~3680^2~665^2~91
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ccecb510a9b58f1e30a45f35897842f915c24c62;p=firefly-linux-kernel-4.4.55.git
mm/unicore32: use common help functions to free reserved pages
Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index 644482882bae..63df12d71ce3 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -316,24 +316,6 @@ 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)
{
@@ -407,9 +389,9 @@ 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;
@@ -494,9 +476,7 @@ 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
@@ -506,9 +486,7 @@ 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)