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[src/netbsd-8]: src/sys/arch/alpha/alpha Pull up following revision(s) (reque...
details: https://anonhg.NetBSD.org/src/rev/c3a1ab2db47f
branches: netbsd-8
changeset: 434765:c3a1ab2db47f
user: bouyer <bouyer%NetBSD.org@localhost>
date: Tue Mar 20 09:15:33 2018 +0000
description:
Pull up following revision(s) (requested by martin in ticket #646):
sys/arch/alpha/alpha/vm_machdep.c: revision 1.114
Nowadays we can create new kernel threads late after boot, so if we are
unable to find physically continous pages for their uarea, just allocate
them via uvm_km_alloc(), that is: make cpu_uarea_alloc() fail instead
of panic. cpu_uarea_free() already deals with this.
Should fix PR port-alpha/53077.
Discussed with maxv and mrg.
diffstat:
sys/arch/alpha/alpha/vm_machdep.c | 11 ++++-------
1 files changed, 4 insertions(+), 7 deletions(-)
diffs (32 lines):
diff -r 8db2c6b926ec -r c3a1ab2db47f sys/arch/alpha/alpha/vm_machdep.c
--- a/sys/arch/alpha/alpha/vm_machdep.c Tue Mar 20 09:13:15 2018 +0000
+++ b/sys/arch/alpha/alpha/vm_machdep.c Tue Mar 20 09:15:33 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vm_machdep.c,v 1.113 2014/05/16 19:18:21 matt Exp $ */
+/* $NetBSD: vm_machdep.c,v 1.113.20.1 2018/03/20 09:15:33 bouyer Exp $ */
/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
@@ -29,7 +29,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
-__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.113 2014/05/16 19:18:21 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.113.20.1 2018/03/20 09:15:33 bouyer Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -227,11 +227,8 @@
* direct-mapped.
*/
error = uvm_pglistalloc(USPACE, 0, ptoa(physmem), 0, 0, &pglist, 1, 1);
- if (error) {
- if (!system)
- return NULL;
- panic("%s: uvm_pglistalloc failed: %d", __func__, error);
- }
+ if (error)
+ return NULL;
/*
* Get the physical address from the first page.
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