Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=68a99f6d37aa65e848e09ec6ea52848e93bd5de2
Commit: 68a99f6d37aa65e848e09ec6ea52848e93bd5de2
Parent: d21225ee2b6fa9f7669526927f2e0bedebd90940
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Fri Jan 5 16:36:59 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Jan 5 23:55:28 2007 -0800
[PATCH] KVM: Simplify mmu_alloc_roots()
Small optimization/cleanup:
page == page_header(page->page_hpa)
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/kvm/mmu.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index 4118e50..c6f9729 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -820,9 +820,9 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
hpa_t root = vcpu->mmu.root_hpa;
ASSERT(!VALID_PAGE(root));
- root = kvm_mmu_get_page(vcpu, root_gfn, 0,
- PT64_ROOT_LEVEL, 0, NULL)->page_hpa;
- page = page_header(root);
+ page = kvm_mmu_get_page(vcpu, root_gfn, 0,
+ PT64_ROOT_LEVEL, 0, NULL);
+ root = page->page_hpa;
++page->root_count;
vcpu->mmu.root_hpa = root;
return;
@@ -836,10 +836,10 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
root_gfn = vcpu->pdptrs[i] >> PAGE_SHIFT;
else if (vcpu->mmu.root_level == 0)
root_gfn = 0;
- root = kvm_mmu_get_page(vcpu, root_gfn, i << 30,
+ page = kvm_mmu_get_page(vcpu, root_gfn, i << 30,
PT32_ROOT_LEVEL, !is_paging(vcpu),
- NULL)->page_hpa;
- page = page_header(root);
+ NULL);
+ root = page->page_hpa;
++page->root_count;
vcpu->mmu.pae_root[i] = root | PT_PRESENT_MASK;
}
-
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