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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>
This commit is contained in:
Jiang Liu 2013-04-29 15:06:53 -07:00 committed by Linus Torvalds
parent ccecb510a9
commit bced0e32f6
2 changed files with 3 additions and 7 deletions
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5
arch/x86/mm/init.c
View File

@ -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
}

5
arch/x86/mm/init_64.c
View File

@ -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);