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authorJiang Liu <liuj97@gmail.com>2013-04-29 15:06:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:30 -0700
commitd3e5351b8562ac72f0bd639f778098793f80ffa8 (patch)
tree6f406d3e3e94f5a32bdfb49d5107bd9f689c5315 /arch/parisc/mm
parent7932f61ba888a9daa3a82eaf8939902ac82029d3 (diff)
downloadlinux-d3e5351b8562ac72f0bd639f778098793f80ffa8.tar.gz
mm/parisc: 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: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc/mm')
-rw-r--r--arch/parisc/mm/init.c23
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index cf2da13c41e..157b931e7b0 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -505,7 +505,6 @@ static void __init map_pages(unsigned long start_vaddr,
void free_initmem(void)
{
- unsigned long addr;
unsigned long init_begin = (unsigned long)__init_begin;
unsigned long init_end = (unsigned long)__init_end;
@@ -533,19 +532,10 @@ void free_initmem(void)
* pages are no-longer executable */
flush_icache_range(init_begin, init_end);
- for (addr = init_begin; addr < init_end; addr += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(addr));
- init_page_count(virt_to_page(addr));
- free_page(addr);
- num_physpages++;
- totalram_pages++;
- }
+ num_physpages += free_initmem_default(0);
/* set up a new led state on systems shipped LED State panel */
pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BCOMPLETE);
-
- printk(KERN_INFO "Freeing unused kernel memory: %luk freed\n",
- (init_end - init_begin) >> 10);
}
@@ -1109,15 +1099,6 @@ void flush_tlb_all(void)
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- if (start >= end)
- return;
- printk(KERN_INFO "Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
- for (; start < end; start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(start));
- init_page_count(virt_to_page(start));
- free_page(start);
- num_physpages++;
- totalram_pages++;
- }
+ num_physpages += free_reserved_area(start, end, 0, "initrd");
}
#endif