From: Bharat Bhushan <r65777@freescale.com>
Date: Wed, 7 Aug 2013 10:03:45 +0000 (+0530)
Subject: kvm: powerpc: e500: mark page accessed when mapping a guest page
X-Git-Tag: next-20131105~24^2~19
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=84e4d632b5455082b458844b8b8cf48406e001ce;p=karo-tx-linux.git

kvm: powerpc: e500: mark page accessed when mapping a guest page

Mark the guest page as accessed so that there is likely
less chances of this page getting swap-out.

Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---

diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index 1c6a9d729df4..8f0d532522db 100644
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -253,6 +253,9 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
 	ref->pfn = pfn;
 	ref->flags |= E500_TLB_VALID;
 
+	/* Mark the page accessed */
+	kvm_set_pfn_accessed(pfn);
+
 	if (tlbe_is_writable(gtlbe))
 		kvm_set_pfn_dirty(pfn);
 }