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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:30 -0700 |
| commit | 66f62594216a8df661239e233736997dba074bbe (patch) | |
| tree | 5e1705c636c30b8b9ddf12904a108b294b7a52cd /arch/ia64/mm | |
| parent | 0f97580da0ead5cfda2d67afcc8571a86b303516 (diff) | |
| download | linux-stable-66f62594216a8df661239e233736997dba074bbe.tar.gz linux-stable-66f62594216a8df661239e233736997dba074bbe.tar.bz2 linux-stable-66f62594216a8df661239e233736997dba074bbe.zip | |
mm/IA64: 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: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/ia64/mm')
| -rw-r--r-- | arch/ia64/mm/init.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 20bc967c7209..d1fe4b402601 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -154,25 +154,14 @@ ia64_init_addr_space (void) void free_initmem (void) { - unsigned long addr, eaddr; - - addr = (unsigned long) ia64_imva(__init_begin); - eaddr = (unsigned long) ia64_imva(__init_end); - while (addr < eaddr) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - ++totalram_pages; - addr += PAGE_SIZE; - } - printk(KERN_INFO "Freeing unused kernel memory: %ldkB freed\n", - (__init_end - __init_begin) >> 10); + free_reserved_area((unsigned long)ia64_imva(__init_begin), + (unsigned long)ia64_imva(__init_end), + 0, "unused kernel"); } void __init free_initrd_mem (unsigned long start, unsigned long end) { - struct page *page; /* * EFI uses 4KB pages while the kernel can use 4KB or bigger. * Thus EFI and the kernel may have different page sizes. It is @@ -213,11 +202,7 @@ free_initrd_mem (unsigned long start, unsigned long end) for (; start < end; start += PAGE_SIZE) { if (!virt_addr_valid(start)) continue; - page = virt_to_page(start); - ClearPageReserved(page); - init_page_count(page); - free_page(start); - ++totalram_pages; + free_reserved_page(virt_to_page(start)); } } |