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authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>2011-03-04 19:01:10 +0800
committerMarcelo Tosatti <mtosatti@redhat.com>2011-03-17 13:08:32 -0300
commit842f22ed9b3c545e7c53adbdea0d82efdcd1aa7f (patch)
tree6539ce464de1303e6c07b8172ab56eecdb103ea4 /arch
parent49b26e26e4b7b94753b39f7edb0c34f3d1c4c167 (diff)
KVM: MMU: cleanup page alloc and free
Using __get_free_page instead of alloc_page and page_address, using free_page instead of __free_page and virt_to_page Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/mmu.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 91a19466743..52645e342db 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -379,15 +379,15 @@ static void mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc,
static int mmu_topup_memory_cache_page(struct kvm_mmu_memory_cache *cache,
int min)
{
- struct page *page;
+ void *page;
if (cache->nobjs >= min)
return 0;
while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
- page = alloc_page(GFP_KERNEL);
+ page = (void *)__get_free_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
- cache->objects[cache->nobjs++] = page_address(page);
+ cache->objects[cache->nobjs++] = page;
}
return 0;
}
@@ -1032,9 +1032,9 @@ static void kvm_mmu_free_page(struct kvm *kvm, struct kvm_mmu_page *sp)
ASSERT(is_empty_shadow_page(sp->spt));
hlist_del(&sp->hash_link);
list_del(&sp->link);
- __free_page(virt_to_page(sp->spt));
+ free_page((unsigned long)sp->spt);
if (!sp->role.direct)
- __free_page(virt_to_page(sp->gfns));
+ free_page((unsigned long)sp->gfns);
kmem_cache_free(mmu_page_header_cache, sp);
kvm_mod_used_mmu_pages(kvm, -1);
}