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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:29 -0700 |
| commit | 0f97580da0ead5cfda2d67afcc8571a86b303516 (patch) | |
| tree | 97e0796d2c18f28be2a2b0e4360acd7ca99bd908 /arch/h8300/mm/init.c | |
| parent | 0516f8845231c938c189690a4ad55c985e8115f3 (diff) | |
| download | linux-0f97580da0ead5cfda2d67afcc8571a86b303516.tar.gz linux-0f97580da0ead5cfda2d67afcc8571a86b303516.tar.bz2 linux-0f97580da0ead5cfda2d67afcc8571a86b303516.zip | |
mm/h8300: 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: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/h8300/mm/init.c')
| -rw-r--r-- | arch/h8300/mm/init.c | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c index 981e25094b1a..ff349d70a29b 100644 --- a/arch/h8300/mm/init.c +++ b/arch/h8300/mm/init.c @@ -139,7 +139,7 @@ void __init mem_init(void) start_mem = PAGE_ALIGN(start_mem); max_mapnr = num_physpages = MAP_NR(high_memory); - /* this will put all memory onto the freelists */ + /* this will put all low memory onto the freelists */ totalram_pages = free_all_bootmem(); codek = (_etext - _stext) >> 10; @@ -161,15 +161,7 @@ void __init mem_init(void) #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++; - } - printk ("Freeing initrd memory: %dk freed\n", pages); + free_reserved_area(start, end, 0, "initrd"); } #endif @@ -177,23 +169,7 @@ void free_initmem(void) { #ifdef CONFIG_RAMKERNEL - unsigned long addr; -/* - * the following code should be cool even if these sections - * are not page aligned. - */ - addr = PAGE_ALIGN((unsigned long)(__init_begin)); - /* next to check that the page we free is not a partial page */ - for (; addr + PAGE_SIZE < (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(KERN_INFO "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n", - (addr - PAGE_ALIGN((long) __init_begin)) >> 10, - (int)(PAGE_ALIGN((unsigned long)__init_begin)), - (int)(addr - PAGE_SIZE)); + free_initmem_default(0); #endif } |