From 9e0ad88b8280923d4a210efa2cee2e1f29a34354 Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Thu, 22 Oct 2020 17:47:51 +0000
Subject: [PATCH] Micro-optimize uma_small_alloc().  Replace bzero(...,
 PAGE_SIZE) by pagezero().  Ultimately, they use the same method for bulk
 zeroing, but the generality of bzero() requires size and alignment checks
 that pagezero() does not.

Eliminate an unnecessary #include.

Reviewed by:	emaste, markj
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D26876
---
 sys/arm64/arm64/uma_machdep.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sys/arm64/arm64/uma_machdep.c b/sys/arm64/arm64/uma_machdep.c
index e419a099d640..4897cebbacc2 100644
--- a/sys/arm64/arm64/uma_machdep.c
+++ b/sys/arm64/arm64/uma_machdep.c
@@ -36,11 +36,10 @@ __FBSDID("$FreeBSD$");
 #include <vm/vm.h>
 #include <vm/vm_param.h>
 #include <vm/vm_page.h>
-#include <vm/vm_pageout.h>
 #include <vm/vm_dumpset.h>
 #include <vm/uma.h>
 #include <vm/uma_int.h>
-#include <machine/md_var.h>
+#include <machine/machdep.h>
 
 void *
 uma_small_alloc(uma_zone_t zone, vm_size_t bytes, int domain, u_int8_t *flags,
@@ -60,7 +59,7 @@ uma_small_alloc(uma_zone_t zone, vm_size_t bytes, int domain, u_int8_t *flags,
 		dump_add_page(pa);
 	va = (void *)PHYS_TO_DMAP(pa);
 	if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0)
-		bzero(va, PAGE_SIZE);
+		pagezero(va);
 	return (va);
 }