@@ -565,12 +565,12 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
565565bool kvm_unmap_gfn_range (struct kvm * kvm , struct kvm_gfn_range * range )
566566{
567567 if (!kvm -> arch .pgd )
568- return 0 ;
568+ return false ;
569569
570570 stage2_unmap_range (kvm , range -> start << PAGE_SHIFT ,
571571 (range -> end - range -> start ) << PAGE_SHIFT ,
572572 range -> may_block );
573- return 0 ;
573+ return false ;
574574}
575575
576576bool kvm_set_spte_gfn (struct kvm * kvm , struct kvm_gfn_range * range )
@@ -579,18 +579,18 @@ bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
579579 kvm_pfn_t pfn = pte_pfn (range -> pte );
580580
581581 if (!kvm -> arch .pgd )
582- return 0 ;
582+ return false ;
583583
584584 WARN_ON (range -> end - range -> start != 1 );
585585
586586 ret = stage2_map_page (kvm , NULL , range -> start << PAGE_SHIFT ,
587587 __pfn_to_phys (pfn ), PAGE_SIZE , true, true);
588588 if (ret ) {
589589 kvm_debug ("Failed to map stage2 page (error %d)\n" , ret );
590- return 1 ;
590+ return true ;
591591 }
592592
593- return 0 ;
593+ return false ;
594594}
595595
596596bool kvm_age_gfn (struct kvm * kvm , struct kvm_gfn_range * range )
@@ -600,13 +600,13 @@ bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
600600 u64 size = (range -> end - range -> start ) << PAGE_SHIFT ;
601601
602602 if (!kvm -> arch .pgd )
603- return 0 ;
603+ return false ;
604604
605605 WARN_ON (size != PAGE_SIZE && size != PMD_SIZE && size != PGDIR_SIZE );
606606
607607 if (!stage2_get_leaf_entry (kvm , range -> start << PAGE_SHIFT ,
608608 & ptep , & ptep_level ))
609- return 0 ;
609+ return false ;
610610
611611 return ptep_test_and_clear_young (NULL , 0 , ptep );
612612}
@@ -618,13 +618,13 @@ bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
618618 u64 size = (range -> end - range -> start ) << PAGE_SHIFT ;
619619
620620 if (!kvm -> arch .pgd )
621- return 0 ;
621+ return false ;
622622
623623 WARN_ON (size != PAGE_SIZE && size != PMD_SIZE && size != PGDIR_SIZE );
624624
625625 if (!stage2_get_leaf_entry (kvm , range -> start << PAGE_SHIFT ,
626626 & ptep , & ptep_level ))
627- return 0 ;
627+ return false ;
628628
629629 return pte_young (* ptep );
630630}
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