D23233.id.diff
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	Index: head/sys/powerpc/aim/mmu_oea64.c
	===================================================================
	--- head/sys/powerpc/aim/mmu_oea64.c
	+++ head/sys/powerpc/aim/mmu_oea64.c
	@@ -185,7 +185,6 @@
	static struct pvo_entry *moea64_bpvo_pool;
	static int moea64_bpvo_pool_index = 0;
	static int moea64_bpvo_pool_size = 327680;
	-TUNABLE_INT("machdep.moea64_bpvo_pool_size", &moea64_bpvo_pool_size);
	SYSCTL_INT(_machdep, OID_AUTO, moea64_allocated_bpvo_entries, CTLFLAG_RD,
	&moea64_bpvo_pool_index, 0, "");

	@@ -390,9 +389,11 @@

	if (!moea64_initialized \|\| bootstrap) {
	if (moea64_bpvo_pool_index >= moea64_bpvo_pool_size) {
	- panic("moea64_enter: bpvo pool exhausted, %d, %d, %zd",
	- moea64_bpvo_pool_index, moea64_bpvo_pool_size,
	- moea64_bpvo_pool_size * sizeof(struct pvo_entry));
	+ panic("%s: bpvo pool exhausted, index=%d, size=%d, bytes=%zd."
	+ "Try setting machdep.moea64_bpvo_pool_size tunable",
	+ __func__, moea64_bpvo_pool_index,
	+ moea64_bpvo_pool_size,
	+ moea64_bpvo_pool_size * sizeof(struct pvo_entry));
	}
	pvo = &moea64_bpvo_pool[
	atomic_fetchadd_int(&moea64_bpvo_pool_index, 1)];
	@@ -914,6 +915,7 @@
	/*
	* Initialise the bootstrap pvo pool.
	*/
	+ TUNABLE_INT_FETCH("machdep.moea64_bpvo_pool_size", &moea64_bpvo_pool_size);
	moea64_bpvo_pool = (struct pvo_entry *)moea64_bootstrap_alloc(
	moea64_bpvo_pool_size*sizeof(struct pvo_entry), PAGE_SIZE);
	moea64_bpvo_pool_index = 0;