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KVM: MMU: Make the way of accessing lpage_info more generic
Large page information has two elements but one of them, write_count, alone is accessed by a helper function. This patch replaces this helper function with more generic one which returns newly named kvm_lpage_info structure and use it to access the other element rmap_pde. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
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2 changed files with 30 additions and 32 deletions
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@ -146,6 +146,11 @@ struct kvm_vcpu {
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*/
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#define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)
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struct kvm_lpage_info {
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unsigned long rmap_pde;
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int write_count;
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};
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struct kvm_memory_slot {
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gfn_t base_gfn;
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unsigned long npages;
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@ -153,10 +158,7 @@ struct kvm_memory_slot {
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unsigned long *rmap;
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unsigned long *dirty_bitmap;
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unsigned long *dirty_bitmap_head;
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struct {
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unsigned long rmap_pde;
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int write_count;
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} *lpage_info[KVM_NR_PAGE_SIZES - 1];
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struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
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unsigned long userspace_addr;
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int user_alloc;
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int id;
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