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[ Upstream commit708e49583d] Put the struct page reference acquired by gfn_to_pfn(), KVM's API is that the caller is ultimately responsible for dropping any reference. Note, kvm_release_pfn_clean() ensures the pfn is actually a refcounted struct page before trying to put any references. Fixes:b901b252b6("drm/i915/gvt: Add 2M huge gtt support") Reviewed-by: Yan Zhao <yan.y.zhao@intel.com> Tested-by: Yongwei Ma <yongwei.ma@intel.com> Reviewed-by: Zhi Wang <zhi.a.wang@intel.com> Link: https://lore.kernel.org/r/20230729013535.1070024-6-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.