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| author | Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> | 2012-02-08 12:59:10 +0900 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-03-08 14:10:19 +0200 |
| commit | fb03cb6f44236f4bef62a0dda8e025ff5ca51417 (patch) | |
| tree | fdece464add97210435bb4d778f7b09a852f61e3 /virt/kvm | |
| parent | 9eed0735ca6a5cf386a4998ad4b6d52d1e29353f (diff) | |
| download | linux-fb03cb6f44236f4bef62a0dda8e025ff5ca51417.tar.gz linux-fb03cb6f44236f4bef62a0dda8e025ff5ca51417.tar.bz2 linux-fb03cb6f44236f4bef62a0dda8e025ff5ca51417.zip | |
KVM: Introduce gfn_to_index() which returns the index for a given level
This patch cleans up the code and removes the "(void)level;" warning
suppressor.
Note that we can also use this for PT_PAGE_TABLE_LEVEL to treat every
level uniformly later.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt/kvm')
| -rw-r--r-- | virt/kvm/kvm_main.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 470e30520fe8..415fe816fc15 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -784,15 +784,10 @@ int __kvm_set_memory_region(struct kvm *kvm, int lpages; int level = i + 2; - /* Avoid unused variable warning if no large pages */ - (void)level; - if (new.lpage_info[i]) continue; - lpages = 1 + ((base_gfn + npages - 1) - >> KVM_HPAGE_GFN_SHIFT(level)); - lpages -= base_gfn >> KVM_HPAGE_GFN_SHIFT(level); + lpages = gfn_to_index(base_gfn + npages - 1, base_gfn, level) + 1; new.lpage_info[i] = vzalloc(lpages * sizeof(*new.lpage_info[i])); |