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authorJiang Liu <liuj97@gmail.com>2013-04-29 15:06:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:31 -0700
commitd2309a1996dce1ea85b322a3dd36520493473494 (patch)
tree1d242a6c9dad14eec2fe220265026f521dd6990e /arch/arc
parent7acb2c2e1c4391b58bf8e61efcd478cde5800ec1 (diff)
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mm/arc: 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> Acked-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/mm/init.c23
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index caf797de23f..727d4794ea0 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -144,37 +144,18 @@ void __init mem_init(void)
PAGES_TO_KB(reserved_pages));
}
-static void __init free_init_pages(const char *what, unsigned long begin,
- unsigned long end)
-{
- unsigned long addr;
-
- pr_info("Freeing %s: %ldk [%lx] to [%lx]\n",
- what, TO_KB(end - begin), begin, end);
-
- /* need to check that the page we free is not a partial page */
- for (addr = begin; addr + PAGE_SIZE <= end; addr += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(addr));
- init_page_count(virt_to_page(addr));
- free_page(addr);
- totalram_pages++;
- }
-}
-
/*
* free_initmem: Free all the __init memory.
*/
void __init_refok free_initmem(void)
{
- free_init_pages("unused kernel memory",
- (unsigned long)__init_begin,
- (unsigned long)__init_end);
+ free_initmem_default(0);
}
#ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end)
{
- free_init_pages("initrd memory", start, end);
+ free_reserved_area(start, end, 0, "initrd");
}
#endif