KVM: Get rid of kvm_get_pfn()

Nobody is using kvm_get_pfn() anymore. Get rid of it. Acked-by: Paolo Bonzini <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected]
sm00th · Aug 2, 2021 · 36c3ce6 · 36c3ce6
1 parent 0fe4963
commit 36c3ce6
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Showing 2 changed files with 1 addition and 9 deletions.
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
@@ -824,7 +824,6 @@ void kvm_release_pfn_clean(kvm_pfn_t pfn);
 void kvm_release_pfn_dirty(kvm_pfn_t pfn);
 void kvm_set_pfn_dirty(kvm_pfn_t pfn);
 void kvm_set_pfn_accessed(kvm_pfn_t pfn);
-void kvm_get_pfn(kvm_pfn_t pfn);
 
 void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache);
 int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
@@ -2215,7 +2215,7 @@ static int hva_to_pfn_remapped(struct vm_area_struct *vma,
 	 * Get a reference here because callers of *hva_to_pfn* and
 	 * *gfn_to_pfn* ultimately call kvm_release_pfn_clean on the
 	 * returned pfn.  This is only needed if the VMA has VM_MIXEDMAP
-	 * set, but the kvm_get_pfn/kvm_release_pfn_clean pair will
+	 * set, but the kvm_try_get_pfn/kvm_release_pfn_clean pair will
 	 * simply do nothing for reserved pfns.
 	 *
 	 * Whoever called remap_pfn_range is also going to call e.g.
@@ -2612,13 +2612,6 @@ void kvm_set_pfn_accessed(kvm_pfn_t pfn)
 }
 EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
 
-void kvm_get_pfn(kvm_pfn_t pfn)
-{
-	if (!kvm_is_reserved_pfn(pfn))
-		get_page(pfn_to_page(pfn));
-}
-EXPORT_SYMBOL_GPL(kvm_get_pfn);
-
 static int next_segment(unsigned long len, int offset)
 {
 	if (len > PAGE_SIZE - offset)