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Index: sys/powerpc/powerpc/mem.c
===================================================================
--- sys/powerpc/powerpc/mem.c
+++ sys/powerpc/powerpc/mem.c
@@ -112,9 +112,9 @@
continue;
}
if (dev2unit(dev) == CDEV_MINOR_MEM) {
-kmem_direct_mapped: v = uio->uio_offset;
+ v = uio->uio_offset;
- off = uio->uio_offset & PAGE_MASK;
+kmem_direct_mapped: off = v & PAGE_MASK;
cnt = PAGE_SIZE - ((vm_offset_t)iov->iov_base &
PAGE_MASK);
cnt = min(cnt, PAGE_SIZE - off);
@@ -137,8 +137,10 @@
else if (dev2unit(dev) == CDEV_MINOR_KMEM) {
va = uio->uio_offset;
- if ((va < VM_MIN_KERNEL_ADDRESS) || (va > virtual_end))
+ if ((va < VM_MIN_KERNEL_ADDRESS) || (va > virtual_end)) {
+ v = DMAP_TO_PHYS(va);
goto kmem_direct_mapped;
+ }
va = trunc_page(uio->uio_offset);
eva = round_page(uio->uio_offset

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