D14347.1775856224.diff
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D14347.1775856224.diff
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	Index: sys/vm/vm_fault.c
	===================================================================
	--- sys/vm/vm_fault.c
	+++ sys/vm/vm_fault.c
	@@ -1135,6 +1135,10 @@
	*/
	pmap_copy_page(fs.m, fs.first_m);
	fs.first_m->valid = VM_PAGE_BITS_ALL;
	+ if ((fault_flags & VM_FAULT_WIRE) == 0) {
	+ prot &= ~VM_PROT_WRITE;
	+ fault_type &= ~VM_PROT_WRITE;
	+ }
	if (wired && (fault_flags &
	VM_FAULT_WIRE) == 0) {
	vm_page_lock(fs.first_m);
	@@ -1219,6 +1223,12 @@
	* write-enabled after all.
	*/
	prot &= retry_prot;
	+ fault_type &= retry_prot;
	+ if (prot == 0) {
	+ release_page(&fs);
	+ unlock_and_deallocate(&fs);
	+ goto RetryFault;
	+ }
	}
	}