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KVM: Allow calling kvm_release_page_{clean,dirty}() on a NULL page pointer

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Allow passing a NULL @page to kvm_release_page_{clean,dirty}(), there's no
tangible benefit to forcing the callers to pre-check @page, and it ends up
generating a lot of duplicate boilerplate code.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20241010182427.1434605-3-seanjc@google.com>
This commit is contained in:
Sean Christopherson 2024-10-10 11:23:04 -07:00 committed by Paolo Bonzini
parent 037bc38b29
commit 85e88b2bba
1 changed files with 2 additions and 2 deletions
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4
virt/kvm/kvm_main.c
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@ -3167,7 +3167,7 @@ static void kvm_set_page_accessed(struct page *page)
void kvm_release_page_clean(struct page *page)
{
if (WARN_ON(!page))
if (!page)
return;
kvm_set_page_accessed(page);
@ -3192,7 +3192,7 @@ EXPORT_SYMBOL_GPL(kvm_release_pfn_clean);
void kvm_release_page_dirty(struct page *page)
{
if (WARN_ON(!page))
if (!page)
return;
kvm_set_page_dirty(page);