linux-kernel - [PATCH] kvm: remove unnecessary PageReserved check

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Message-Id: <1564996902-22600-1-git-send-email-pbonzini@redhat.com>
Date:   Mon,  5 Aug 2019 11:21:42 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: [PATCH] kvm: remove unnecessary PageReserved check

The same check is already done in kvm_is_reserved_pfn.

Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 virt/kvm/kvm_main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 416969d9fefe..c5f1186f4b60 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1855,8 +1855,7 @@ void kvm_set_pfn_dirty(kvm_pfn_t pfn)
 	if (!kvm_is_reserved_pfn(pfn)) {
 		struct page *page = pfn_to_page(pfn);
 
-		if (!PageReserved(page))
-			SetPageDirty(page);
+		SetPageDirty(page);
 	}
 }
 EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty);
-- 
1.8.3.1