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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-30 02:06:37 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 02:54:29 +0400 |
| commit | 0516f8845231c938c189690a4ad55c985e8115f3 (patch) | |
| tree | 29686fc5285c71c14268048368ce0fe7b62fc3c0 /arch/frv | |
| parent | 2e529815a65a7c7ea61cad0b38e50967a2eb1677 (diff) | |
| download | linux-0516f8845231c938c189690a4ad55c985e8115f3.tar.xz | |
mm/FRV: 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: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv')
| -rw-r--r-- | arch/frv/mm/init.c | 34 |
1 files changed, 4 insertions, 30 deletions
diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c index 92e97b0894a6..21b92904f4c4 100644 --- a/arch/frv/mm/init.c +++ b/arch/frv/mm/init.c @@ -122,7 +122,7 @@ void __init mem_init(void) #endif int codek = 0, datak = 0; - /* this will put all memory onto the freelists */ + /* this will put all low memory onto the freelists */ totalram_pages = free_all_bootmem(); #ifdef CONFIG_MMU @@ -132,11 +132,7 @@ void __init mem_init(void) #ifdef CONFIG_HIGHMEM for (pfn = num_physpages - 1; pfn >= num_mappedpages; pfn--) { - struct page *page = &mem_map[pfn]; - - ClearPageReserved(page); - init_page_count(page); - __free_page(page); + __free_reserved_page(&mem_map[pfn]); totalram_pages++; } #endif @@ -168,21 +164,7 @@ void __init mem_init(void) void free_initmem(void) { #if defined(CONFIG_RAMKERNEL) && !defined(CONFIG_PROTECT_KERNEL) - unsigned long start, end, addr; - - start = PAGE_ALIGN((unsigned long) &__init_begin); /* round up */ - end = ((unsigned long) &__init_end) & PAGE_MASK; /* round down */ - - /* next to check that the page we free is not a partial page */ - for (addr = start; addr < 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: %ldKiB freed (0x%lx - 0x%lx)\n", - (end - start) >> 10, start, end); + free_initmem_default(0); #endif } /* end free_initmem() */ @@ -193,14 +175,6 @@ void free_initmem(void) #ifdef CONFIG_BLK_DEV_INITRD void __init 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: %dKiB freed\n", (pages * PAGE_SIZE) >> 10); + free_reserved_area(start, end, 0, "initrd"); } /* end free_initrd_mem() */ #endif |