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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:31 -0700 |
| commit | bced0e32f6bdf4e2584bc9df58e3fbebaaf42bef (patch) | |
| tree | df48e08865fea4fb267e3a9c17ef93bc4e0f89d6 /arch/x86 | |
| parent | ccecb510a9b58f1e30a45f35897842f915c24c62 (diff) | |
| download | lwn-bced0e32f6bdf4e2584bc9df58e3fbebaaf42bef.tar.gz lwn-bced0e32f6bdf4e2584bc9df58e3fbebaaf42bef.zip | |
mm/x86: 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: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/mm/init.c | 5 | ||||
| -rw-r--r-- | arch/x86/mm/init_64.c | 5 |
2 files changed, 3 insertions, 7 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 59b7fc453277..fdc5dca14fb3 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -515,11 +515,8 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end) printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10); for (; addr < end; addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE); - free_page(addr); - totalram_pages++; + free_reserved_page(virt_to_page(addr)); } #endif } diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 474e28f10815..2ef81f19bd6c 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1067,10 +1067,9 @@ void __init mem_init(void) /* clear_bss() already clear the empty_zero_page */ - reservedpages = 0; - - /* this will put all low memory onto the freelists */ register_page_bootmem_info(); + + /* this will put all memory onto the freelists */ totalram_pages = free_all_bootmem(); absent_pages = absent_pages_in_range(0, max_pfn); |