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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:30 -0700 |
| commit | 32ce012064b3cc89d2081d34a745af598e5e56c5 (patch) | |
| tree | 7f38058627aa040a336367ea8cfb76ab7b5fe752 /arch | |
| parent | 31605922613dfc59402cd6f3a1b019bc2138ff47 (diff) | |
| download | linux-32ce012064b3cc89d2081d34a745af598e5e56c5.tar.gz linux-32ce012064b3cc89d2081d34a745af598e5e56c5.tar.bz2 linux-32ce012064b3cc89d2081d34a745af598e5e56c5.zip | |
mm/mn10300: 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: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mn10300/mm/init.c | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c index e57e5bc23562..5a8ace63a6b4 100644 --- a/arch/mn10300/mm/init.c +++ b/arch/mn10300/mm/init.c @@ -139,30 +139,11 @@ void __init mem_init(void) } /* - * - */ -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)); - memset((void *) addr, 0xcc, PAGE_SIZE); - free_page(addr); - totalram_pages++; - } - printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10); -} - -/* * recycle memory containing stuff only required for initialisation */ void free_initmem(void) { - free_init_pages("unused kernel memory", - (unsigned long) &__init_begin, - (unsigned long) &__init_end); + free_initmem_default(POISON_FREE_INITMEM); } /* @@ -171,6 +152,6 @@ void free_initmem(void) #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - free_init_pages("initrd memory", start, end); + free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd"); } #endif |