From 1fbee5b01a0fd27db571eed757682a7c20045107 Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Thu, 10 Oct 2024 11:23:48 -0700 Subject: KVM: guest_memfd: Provide "struct page" as output from kvm_gmem_get_pfn() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Provide the "struct page" associated with a guest_memfd pfn as an output from __kvm_gmem_get_pfn() so that KVM guest page fault handlers can directly put the page instead of having to rely on kvm_pfn_to_refcounted_page(). Tested-by: Alex Bennée Signed-off-by: Sean Christopherson Tested-by: Dmitry Osipenko Signed-off-by: Paolo Bonzini Message-ID: <20241010182427.1434605-47-seanjc@google.com> --- include/linux/kvm_host.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'include/linux') diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a63b0325d3e2..6efdc00b4254 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -2487,11 +2487,13 @@ static inline bool kvm_mem_is_private(struct kvm *kvm, gfn_t gfn) #ifdef CONFIG_KVM_PRIVATE_MEM int kvm_gmem_get_pfn(struct kvm *kvm, struct kvm_memory_slot *slot, - gfn_t gfn, kvm_pfn_t *pfn, int *max_order); + gfn_t gfn, kvm_pfn_t *pfn, struct page **page, + int *max_order); #else static inline int kvm_gmem_get_pfn(struct kvm *kvm, struct kvm_memory_slot *slot, gfn_t gfn, - kvm_pfn_t *pfn, int *max_order) + kvm_pfn_t *pfn, struct page **page, + int *max_order) { KVM_BUG_ON(1, kvm); return -EIO; -- cgit v1.2.3