b75ba03dd4
instead to always trying PG_RW and falling back to PG_RO if this fails. Use uvm_map_checkprot() in IOCTL_PRIVCMD_MMAP and IOCTL_PRIVCMD_MMAP_BATCH to compute the appropriate vm_prot_t for pmap_remap_pages(). Thanks to Jed Davis for pointing out uvm_map_checkprot(). |
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