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Subject[RFC PATCH v1 21/33] mm/SH: use common help functions to free reserved pages
Date
Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/init.c | 26 +++-----------------------
1 file changed, 3 insertions(+), 23 deletions(-)

diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 1057940..20f9ead 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -417,15 +417,13 @@ void __init mem_init(void)

for_each_online_node(nid) {
pg_data_t *pgdat = NODE_DATA(nid);
- unsigned long node_pages = 0;
void *node_high_memory;

num_physpages += pgdat->node_present_pages;

if (pgdat->node_spanned_pages)
- node_pages = free_all_bootmem_node(pgdat);
+ totalram_pages += free_all_bootmem_node(pgdat);

- totalram_pages += node_pages;

node_high_memory = (void *)__va((pgdat->node_start_pfn +
pgdat->node_spanned_pages) <<
@@ -501,31 +499,13 @@ void __init mem_init(void)

void free_initmem(void)
{
- unsigned long addr;
-
- addr = (unsigned long)(&__init_begin);
- for (; addr < (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("Freeing unused kernel memory: %ldk freed\n",
- ((unsigned long)&__init_end -
- (unsigned long)&__init_begin) >> 10);
+ free_initmem_default(0);
}

#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- unsigned long p;
- for (p = start; p < end; p += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(p));
- init_page_count(virt_to_page(p));
- free_page(p);
- totalram_pages++;
- }
- printk("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
+ free_reserved_area(start, end, 0, "initrd");
}
#endif

--
1.7.9.5


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