b2b2f16508
This allocates an array for each memory slot that is added to store the physical addresses of the pages in the slot. This array is vmalloc'd and accessed in kvmppc_h_enter using real_vmalloc_addr(). This allows us to remove the ram_pginfo field from the kvm_arch struct, and removes the 64GB guest RAM limit that we had. We use the low-order bits of the array entries to store a flag indicating that we have done get_page on the corresponding page, and therefore need to call put_page when we are finished with the page. Currently this is set for all pages except those in our special RMO regions. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com> |
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