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Subject[PATCH] lguest: cleanup for map_switcher()
We can use alloc_page() instead of get_zeroed_page() and virt_to_page()

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---
drivers/lguest/core.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index 1e2cb84..b639019 100644
--- a/drivers/lguest/core.c
+++ b/drivers/lguest/core.c
@@ -67,12 +67,11 @@ static __init int map_switcher(void)
* so we make sure they're zeroed.
*/
for (i = 0; i < TOTAL_SWITCHER_PAGES; i++) {
- unsigned long addr = get_zeroed_page(GFP_KERNEL);
- if (!addr) {
+ switcher_page[i] = alloc_page(GFP_KERNEL|__GFP_ZERO);
+ if (!switcher_page[i])
err = -ENOMEM;
goto free_some_pages;
}
- switcher_page[i] = virt_to_page(addr);
}

/*
--
1.6.1.2


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