svn commit: r351454 - head/sys/amd64/amd64

[Konstantin Belousov]

Author: kib
Date: Sat Aug 24 15:22:18 2019
New Revision: 351454
URL: https://svnweb.freebsd.org/changeset/base/351454

Log:
  Remove unecessary VM_ALLOC_ZERO from allocation of the domain-local
  page for pcpu.
  
  Reviewed by:	markj
  Tested by:	pho
  Sponsored by:	The FreeBSD Foundation
  Differential revision:	https://reviews.freebsd.org/D21320

Modified:
  head/sys/amd64/amd64/mp_machdep.c

Modified: head/sys/amd64/amd64/mp_machdep.c
==============================================================================
--- head/sys/amd64/amd64/mp_machdep.c	Sat Aug 24 14:29:13 2019	(r351453)
+++ head/sys/amd64/amd64/mp_machdep.c	Sat Aug 24 15:22:18 2019	(r351454)
@@ -401,7 +401,7 @@ mp_realloc_pcpu(int cpuid, int domain)
 	if (_vm_phys_domain(pmap_kextract(oa)) == domain)
 		return;
 	m = vm_page_alloc_domain(NULL, 0, domain,
-	    VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ | VM_ALLOC_ZERO);
+	    VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ);
 	na = PHYS_TO_DMAP(VM_PAGE_TO_PHYS(m));
 	pagecopy((void *)oa, (void *)na);
 	pmap_enter(kernel_pmap, oa, m, VM_PROT_READ | VM_PROT_WRITE, 0, 0);