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Date: Fri, 19 Aug 2011 00:48:27 -0700 From: Michel Lespinasse <walken@...gle.com> To: Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Cc: Andrea Arcangeli <aarcange@...hat.com>, Hugh Dickins <hughd@...gle.com>, Minchan Kim <minchan.kim@...il.com>, Johannes Weiner <jweiner@...hat.com>, Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Shaohua Li <shaohua.li@...el.com> Subject: [PATCH 5/9] kvm: use get_page instead of get_page_unless_zero In transparent_hugepage_adjust(), we can use get_page instead of get_page_unless_zero and an assertion that the count was not zero. Signed-off-by: Michel Lespinasse <walken@...gle.com> --- arch/x86/kvm/mmu.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index aee3862..d9b7f0c 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2353,8 +2353,7 @@ static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu, *gfnp = gfn; kvm_release_pfn_clean(pfn); pfn &= ~mask; - if (!get_page_unless_zero(pfn_to_page(pfn))) - BUG(); + get_page(pfn_to_page(pfn)); *pfnp = pfn; } } -- 1.7.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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