From 6c189d8312246af776c2587c233d6afcf3714438 Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Wed, 5 Aug 2009 17:42:37 +0800 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 Signed-off-by: Rusty Russell --- drivers/lguest/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index 1e2cb846b3c9..8744d24ac6e6 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); } /*