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authorJiang Liu <liuj97@gmail.com>2013-04-29 15:06:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:30 -0700
commit7beb5987875bd633c0e10162fbdd4e35d266a9e1 (patch)
treefda974f021e31287bfba1188a4bd515832b0b997 /arch/microblaze/mm
parent920f1ad081ddc38f0307a2c2bffa704769226249 (diff)
downloadlinux-7beb5987875bd633c0e10162fbdd4e35d266a9e1.tar.gz
mm/microblaze: 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: Michal Simek <monstr@monstr.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/microblaze/mm')
-rw-r--r--arch/microblaze/mm/init.c28
1 files changed, 2 insertions, 26 deletions
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 8f8b367c079..9be53024a83 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -236,40 +236,16 @@ void __init setup_memory(void)
paging_init();
}
-void free_init_pages(char *what, unsigned long begin, unsigned long end)
-{
- unsigned long addr;
-
- for (addr = begin; addr < end; addr += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(addr));
- init_page_count(virt_to_page(addr));
- free_page(addr);
- totalram_pages++;
- }
- pr_info("Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
-}
-
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- int pages = 0;
- for (; start < end; start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(start));
- init_page_count(virt_to_page(start));
- free_page(start);
- totalram_pages++;
- pages++;
- }
- pr_notice("Freeing initrd memory: %dk freed\n",
- (int)(pages * (PAGE_SIZE / 1024)));
+ free_reserved_area(start, end, 0, "initrd");
}
#endif
void free_initmem(void)
{
- free_init_pages("unused kernel memory",
- (unsigned long)(&__init_begin),
- (unsigned long)(&__init_end));
+ free_initmem_default(0);
}
void __init mem_init(void)