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authorJiang Liu <liuj97@gmail.com>2013-04-29 15:06:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:31 -0700
commitccecb510a9b58f1e30a45f35897842f915c24c62 (patch)
tree381b7765f02f7ee6cdc722e9017d5c6545b2996e /arch/unicore32
parente16e0b1b9884f6b27d8021f6a2fd1fe507af2617 (diff)
downloadop-kernel-dev-ccecb510a9b58f1e30a45f35897842f915c24c62.zip
op-kernel-dev-ccecb510a9b58f1e30a45f35897842f915c24c62.tar.gz
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>
Diffstat (limited to 'arch/unicore32')
-rw-r--r--arch/unicore32/mm/init.c28
1 files changed, 3 insertions, 25 deletions
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index 6444828..63df12d 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)
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