Messages in this thread Patch in this message | | | From | Zhang Yi <> | Subject | [PATCH V3 1/4] kvm: remove redundant reserved page check | Date | Thu, 9 Aug 2018 18:52:55 +0800 |
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PageReserved() is already checked inside kvm_is_reserved_pfn(), remove it from kvm_set_pfn_dirty().
Signed-off-by: Zhang Yi <yi.z.zhang@linux.intel.com> Signed-off-by: Zhang Yu <yu.c.zhang@linux.intel.com> --- virt/kvm/kvm_main.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 8b47507f..c44c406 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1690,12 +1690,8 @@ EXPORT_SYMBOL_GPL(kvm_release_pfn_dirty); void kvm_set_pfn_dirty(kvm_pfn_t pfn) { - if (!kvm_is_reserved_pfn(pfn)) { - struct page *page = pfn_to_page(pfn); - - if (!PageReserved(page)) - SetPageDirty(page); - } + if (!kvm_is_reserved_pfn(pfn)) + SetPageDirty(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty); -- 2.7.4
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