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lguest: cleanup for map_switcher()

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We can use alloc_page() instead of get_zeroed_page() and virt_to_page()

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Xiao Guangrong 2009-08-05 17:42:37 +08:00 committed by Rusty Russell
parent fb100d78c0
commit 6c189d8312
1 changed files with 2 additions and 3 deletions
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5
drivers/lguest/core.c
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@ -67,12 +67,11 @@ static __init int map_switcher(void)
* so we make sure they're zeroed. * so we make sure they're zeroed.
*/ */
for (i = 0; i < TOTAL_SWITCHER_PAGES; i++) { for (i = 0; i < TOTAL_SWITCHER_PAGES; i++) {
unsigned long addr = get_zeroed_page(GFP_KERNEL); switcher_page[i] = alloc_page(GFP_KERNEL|__GFP_ZERO);
if (!addr) { if (!switcher_page[i]) {
err = -ENOMEM; err = -ENOMEM;
goto free_some_pages; goto free_some_pages;
} }
switcher_page[i] = virt_to_page(addr);
} }
/* /*