From 5055ffaeba4f23dab22fba9dace11bf9f3286d74 Mon Sep 17 00:00:00 2001
From: Andrew Turner <andrew@FreeBSD.org>
Date: Thu, 10 Mar 2022 19:13:49 +0000
Subject: [PATCH] Remove an unneeded memset from the arm64 pmap

There is no need to zero pagetable_dmap as we already did it when
creating the page tables in locore.S

Sponsored by:	The FreeBSD Foundation
---
 sys/arm64/arm64/pmap.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sys/arm64/arm64/pmap.c b/sys/arm64/arm64/pmap.c
index c11a13e1386..3ad50e57d8e 100644
--- a/sys/arm64/arm64/pmap.c
+++ b/sys/arm64/arm64/pmap.c
@@ -867,9 +867,6 @@ pmap_bootstrap_dmap(vm_offset_t kern_l1, vm_paddr_t min_pa,
 	l2 = NULL;
 	prev_l1_slot = -1;
 
-#define	DMAP_TABLES	((DMAP_MAX_ADDRESS - DMAP_MIN_ADDRESS) >> L0_SHIFT)
-	memset(pagetable_dmap, 0, PAGE_SIZE * DMAP_TABLES);
-
 	for (i = 0; i < (physmap_idx * 2); i += 2) {
 		pa = physmap[i] & ~L2_OFFSET;
 		va = pa - dmap_phys_base + DMAP_MIN_ADDRESS;